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Objective Questions existing will help in scoring well in the board exams as they are highly scoring and give you an extra edge to … You will also love the ad-free experience on Meritnation’s NCERT Solutions. Unwanted or unpleasant sounds are known as noise. Ans : (d) Sound can travel through solids, liquids, and gases. NCERT Class 6 Science Chapter 15 Air Around Us MCQ Question Answer ( प्रश्न उत्तर ) Solution. In this page you can find class 8 science ncert solutions , notes, assignments, worksheets etc. Class 8 Science Chapter 8 cell structure and functions is a very important topic as it is basic for all the biological studies. The pitch of a sound is proportional to its frequency. For any inconvenience, please contact us. Choose the correct answer. Free PDF download of Important Questions with solutions for CBSE Class 10 Science Chapter 13 - Magnetic Effects of Electric Current prepared by expert Science teachers from latest edition of CBSE(NCERT) books. Free PDF Download of CBSE Class 5 EVS Science Chapter 6 Every Drop Counts Multiple Choice Questions with Answers. (b) Loudness is determined by the __________ of vibration. (b) solids only What is the time period of the vibration ? CBSE NCERT Solutions for Class 9 Science Chapter 13 Why do we fall ill Intext questions and exercises question answers are given below to study online or download in PDF form free. Science NCERT Grade 8, Chapter 13, Sound begins with an introduction dealing with some musical instruments and the sound they produce along with their picture so as to build up an understanding of the chapter. Since vacuum is devoid of any medium, sound cannot travel through it. Pitch is directly proportional to the frequency of vibration. Solid, liquid and gas provide the medium for sound. … NCERT Solutions Class 8 Science Chapter 1 Sound  – Here are all the NCERT solutions for Class 8 Science Chapter 13. Yeast reproduces by (a) sexual reproduction (b) asexual reproduction (c) parthenogenesis (d) none of these. We have provided Fun with Magnets Class 6 Science MCQs Questions with Answers to help students understand the concept very well. The solutions on Shaalaa will help you solve all the NCERT Class 8 Science questions without any problems. (T/F) MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. NCERT Solutions for Class 8 Science Chapter 6 MCQs. Humans can hear a sound whose frequency falls in the range of 20 Hz−20,000 Hz. [MSE (Chandigarh) 2008] Answer: Human Eye: Photographic Camera (a) Real, inverted image is formed on retina. (d) Unwanted sound is called __________ . Question 1. NCERT Solutions for Class 8 Science Chapter 12 – 1 Mark Questions and Answers. Question 1. If yes, please comment below. (f) False (f) Unwanted or unpleasant sound is termed as music. Sound can travel through CBSE NCERT Solutions for Class 8 Science Chapter 13 . NCERT Class 6 Science Chapter 15 Air Around Us MCQ Question Answer ( प्रश्न उत्तर ) Solution. We will rectify as soon as possible. NCERT Solutions for Class 8 Science Chapter 8 Cell-Structure and Functions English and Hindi Medium (Adhyay 8: Koshika – Sanrachana evam Prakarya) to Study online or View in Video Format or download free in PDF file free for session 2020-2021. These questions … 1. NCERT Solutions Class 8 Science Chapter 15 Some Natural Phenomena – Here are all the NCERT solutions for Class 8 Science Chapter 15.This solution contains questions, answers, images, explanations of the complete chapter 15 titled Some Natural Phenomena From of Science taught in class 8. CBSE Class 8 Science Notes , Question Answers provided for NCERT Science Textbook for Class 8. For a better understanding of this chapter, you should also see summary of Chapter 13 Sound , Science, Class 8. Class 8 Science All Chapters Solution. Class 8 Science Chapter 13 Sound MCQ (Multiple Choice Questions) with Answers is available here in PDF format. This solution for Class 8 Science Chapter 8 has answers to all the questions present in Chapter 8. If you are a student of class 8 who is using NCERT Textbook to study Science, then you must come across chapter 13 Sound. Since frequency of a sound is directly proportional to its pitch, man’s voice is of minimum frequency in comparison to a boy, a girl, or a woman's voice. It is given by the inverse of the frequency. (g) True Offline Apps and NCERT Textbook Solutions 2020-21 of all other subjects of class 8 are also available. (T/F). (T/F) ... Chapter 13 - Sound; Chapter 14 - Chemical Effects of Electric Current; Chapter 15 - Some Natural Phenomena; Chapter 16 - Light ; Chapter 17 - Stars and The Solar System; Chapter 18 - Pollution of Air and Water; FAQ (Frequently Asked Questions) 1. All questions and answers from the NCERT Book of Class 8 Science Chapter 13 are provided here for you for free. Maths Students who are looking for better solutions, they can download Class 8 Maths NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations. (d) Unwanted sound is called __noise__. All the solutions are updated for new academic session 2020-2021 based on latest NCERT Books 2020-21. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Science for Class 8 so that you can refer them as and when required. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Objective Questions existing will help in scoring well in the board exams as they are highly scoring and give you an extra edge to … Define friction. (c) If the amplitude of vibration is large, sound is feeble. In the following statements, tick ‘T’ against those which are true, and ‘F’ against those which are false. MCQ Questions for Class 5 Science with Answers was Prepared Based on Latest Exam Pattern. Question 1. After you have studied lesson, you must be looking for answers of its questions. If you liked the video, please subscribe to our YouTube channel so that you can get more such interesting and useful study resources. The gas required for combustion is [NCERT] (a) oxygen (b) nitrogen (c) carbon dioxide (d) hydrogen Answer: (a) Question 2. NCERT Solutions for Class 8 Science chapter 13 Sound renders students with accurate solutions to all the exercises and in-text questions provided in the NCERT Class 8 textbook … Burning of hydrogen is an example of (a) slow combustion (b) rapid combustion (c) explosion (d) spontaneous combustion Answer: (c) Question 3. Here we Provide Class 6 Science Question Answer, Important Questions, MCQ for Various State Boards Students like CBSE, Haryana, uttar pradesh, mp and other state students. CBSE Class 8 Science Sound Objective Questions helps the students to understand the concepts thoroughly and to score good marks. Chapter 8 - Cell – Structure and Functions. It will help you stay updated with relevant study material to help you top your class! This solution contains questions, answers, images, explanations of the complete chapter 13 titled Sound From of Science taught in class 8. 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Click Here (g) True If you feel any information regarding CBSE class 6 Science Fun with Magnets MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add … The voice of an adult man is of lower pitch in comparison to the voices of a baby boy, a baby girl and a woman. Class 8 Science Chapter 1 Crop Production and Management Exercises Answers, Class 8th Science, Class 8 Science exams, class 8 science notes, science class 8 notes, ncert class 8 science, Crop Production and Management class 8 notes pdf, NCERT Solutions … Class 6 Science Chapter 13 SHORT ANSWER TYPE QUESTIONS. The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. Log in, Concise Mathematics Class 10 ICSE Solutions 2018. Check the below NCERT MCQ Questions for Class 8 Science Chapter 13 Sound with Answers Pdf free download. Your email address will not be published. The sound having frequency out of this range is inaudible to humans. An adolescent covers individuals from (a) 5-10 years (b) 12-18 years (c) 10-15 years (d) 10-20 years Answer: (a) Question 3. State whether the following statements are true or false: (i) A cylindrical magnet has only one pole. (c) False Loudness of a sound is proportional to the square of the amplitude of its vibration. Also please like, and share it with your friends! … (T/F) In this page, we are providing Sound Class 8 Extra Questions and Answers Science Chapter 13 pdf download. Frequency of oscillations is defined as the number of oscillations of a vibrating body per second. Also Read : – Class 6 Science NCERT Solution. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Refer to the Chapter Wise NCERT MCQ Questions for Class 8 Science with Answers PDF Free Download of Physics, Chemistry, Biology are here to provide students an ample practice. These questions will test your cognizance and mathematical skills. NCERT Solutions of Class 8 Science of Chapter 6 includes solutions of all 13 questions given in your NCERT book. Sounds that are melodious and pleasing to ear are known as music. Class 1 NCERT Solutions; Class 2 NCERT Solutions; Class 3 NCERT Solutions; Class 4 NCERT Solutions; Class 5 NCERT Solutions; Class 6 NCERT Solutions; Class 7 NCERT Solutions; Class 8 NCERT Solutions; Class 9 NCERT Solutions for Class 8 Science Chapter 16 – 5 Mark Questions and Answers. Question 1. NCERT Class 8 solutions of Science are helpful to know the correct answers to the questions asked in the NCERT class 8 Science book. (a) True Ans : Frequency of oscillations is defined as the number of oscillations of a vibrating body per second. Maths Class 8; Science Class 8; Hindi Class 8; व्याकरण; English Class 8; English Grammar; Sanskrit Class 8; Geography; Civics; History; Class 9th. Solution:(D) Sound is a mechanical wave, which requires medium to travel. You can also download here the NCERT Solutions Class 8 Science chapter 13 Sound in PDF format. Get Science NCERT Solutions of all questions of Class 8 at teachoo. (c) The unit of frequency is __________ NCERT Solutions for Class 8 Science Chapter 9 MCQs. (T/F) The download options are given after the online solutions option. Questions and Answers for NCERT Text Book of Class 8 Science. NCERT solutions for Class 8 Science contains topics from chapter 1, chapter 2 and so on. To get fastest exam alerts and government job alerts in India, join our Telegram channel. (e) False Time period = 1/(Frequency of Oscillation) = 1/10 = 0.1 sec. Since frequency of a sound is directly proportional to its pitch, man’s voice is of minimum frequency in comparison to a boy, a girl, or a woman's voice. NCERT Solutions for Class 8 Science Chapter 7 Conservation of Plants and Animals Conservation of Plants and Animals is a critical subject of Science. As the frequency of vibration increases, the pitch of the sound also increases and vice-versa. NCERT Books chapter-wise Solutions (Text & Videos) are accurate, easy-to-understand and most helpful in Homework & Exam Preparations. If you are a student of class 8 who is using (d) True Loudness of a sound is proportional to the square of the amplitude of its vibration. A sound is said to be high pitched if its frequency of vibration is high, and is low pitched for a small frequency of vibration. It is very important for the student to tune-in with this topic in order to understand the topics of the higher class. (b) Loudness is determined by the __amplitude__ of vibration. Contents for CBSE Exams updated according to new CBSE Syllabus 2020-2021. NCERT Solutions for Class 8 Science are given for the students so that they can get to know the answers to the questions in case they are not able to find it.It is important for all the students who are in Class 8 currently. Here you can get complete NCERT Solutions for Class 8 Science Chapter 13 Sound in one place. Choose the correct answer: Sound can travel through. (c) liquids only (b) The image cannot be stored as a photograph. NCERT Solutions for Class 8 Science Chapter 10 MCQs. The prescribed National Council of Educational Research and Training social science textbook for Class 8 students contains chapters that include new words and concepts. A sound is said to be high pitched if its frequency of vibration is high, and is low pitched for a small frequency of vibration. To help Class 8 students in grasping the concepts of NCERT Class 8 Social Science coursebook, SuccessCDs provides chapter-wise NCERT solutions to all questions given in the book to ease the students. Class 8 Science Chapter 13 Sound MCQ (Multiple Choice Questions) with Answers is available here in PDF format. The time required to complete one oscillation is known as time period. Class 8 Science Chapter 8 cell structure and functions is a very important topic as it is basic for all the biological studies. (e) False Synthetic Fibres and Plastics. Students can solve NCERT Class 5 EVS Science Every Drop Counts Multiple Choice Questions with Answers to know their preparation level. Practising these MCQs will help you to answer every question that is being asked in the exams. In NCERT Science Class 8 Chapter 13, the experts have elaborated about the noise pollution in a very uncomplicated way, which will help the students understand how excessive and unwanted Sound can be the cause of the noise pollution. (e) Shrillness of a sound is determined by the __frequency__ of vibration. Solved Question and Answers for NCERT Class VIII Science. NCERT Solutions Class 8 Science Chapter 3 Synthetic Fibres and Plastics – Here are all the NCERT solutions for Class 8 Science Chapter 3.This solution contains questions, answers, images, explanations of the complete chapter 3 titled Synthetic Fibres and Plastics From of Science taught in class 8. The time required to complete one oscillation is known as time period. Otherwise you can also buy it easily online. NCERT Textbook Answers of class 8 science. NCERT Class 8 Science Chapter 2 starts with the definition of … Ans: (i) Magnet has two … Time period = 1/(Frequency of Oscillation) = 1/10 = 0.1 sec. Ans : (c) A man The number of oscillations per second of a vibrating object is known as its frequency. Class 8 Science MCQs Questions with Answers Chapter Wise PDF Download. Sounds that are melodious and pleasing to ear are known as music. 1. Ans: 2.Identify magnetic and non-magnetic substances from the list given below: Iron, Steel, Nickel, Plastic, Wood, Copper and a Stainless Steel spoon Ans: 3. The CBSE Class 8 Social Science Lesson explanation is designed to enable the student to easily grasp the concepts of Class 8 Social Science CBSE syllabus and help them prepare for the final … Our Science tutors have helped us put together this for our Class 8 Students. Download the NCERT Solutions app for quick access to NCERT Solutions Class 8 Science Chapter 13 Sound. Ans : (a) Time taken by an object to complete one oscillation is called __time period__. Class 8th. We have provided Sound Class 8 Science MCQs Questions with Answers to help students understand the concept very well. NCERT Extra Questions for Class 8 Science Chapter 13 Sound will help to score more marks in your CBSE Board Exams. Practicing these NCERT Science MCQs for Class 8 CBSE with Answers Pdf will guide students to do a quick revision for all the concepts present in each chapter and prepare for final exams. (c) The unit of frequency is __hertz (Hz) __. NCERT Solutions for Class 8 Science: NCERT solutions have been provided below to aid the students with answering the questions correctly, using a logical approach and methodology.The solutions provide ample material to enable students to form a good base and improve the fundamentals of the subject. NCERT Science Class 8 solutions are completely based out of the National Council of Education Research and Training (NCERT) science textbooks prescribed for Class 8 students. (b) Loudness is determined by the __amplitude__ of vibration. Unwanted or unpleasant sounds are known as noise. Answer: When one surface is sliding over the other, sliding friction comes into play. Hence, sound can travel through solids, liquids and gases. Unwanted or unpleasant sounds are known as noise. Class 8, Science chapter 13, Sound solutions are given below in PDF format. Hence, shrillness is determined by the frequency of vibration.). CBSE Class 8 Science Chapter Wise Question Bank. NCERT Solutions for Class 8 Science Chapter 13 Sound in English and Hindi Medium (Adhyay 13: Dhwani) to Study online or View in Video Format or download free in PDF file updated for academic session 2020-2021 following new CBSE Syllabus and based on new NCERT Books. Practice more on Sound. (c) False Sound Class 8 Extra Questions and Answers Science Chapter 13 PDF are solved by experts and will guide students in the right direction. Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current with Answers Pdf free download is available here. (d) Sound can travel through solids, liquids, and gases. Write main properties of a magnet. All NCERT Solutions for class Class 8 Science are prepared by experts and are 100% accurate. Time period is the time required to complete one oscillation. This solution contains questions, answers, images, explanations of the complete chapter 18 titled Pollution of Air and Water From of Science taught in class 8. Class 8 Science Chapter 13: Sound. (a) Time taken by an object to complete one oscillation is called __time period__. Henceforth consideration is paid to every single detail of the answers. Register online for Science tuition on Vedantu.com to score more marks in CBSE board examination. Detailed Solutions are provided for all the CBSE Class 8 Science MCQs Multiple Choice Questions with Answers and you can use them to get an idea on the fundamentals. A pendulum oscillates 40 times in 4 seconds. The lesson covers the complete explanation of class 8 Chapter 16 Light. Students can solve these Sound Class 8 MCQs Questions with Answers and assess their preparation level. Hope the information shared regarding the NCERT MCQ Questions for class 6 Science Chapter 13 Fun with Magnets with Answers Pdf free download is true and genuine as far as our knowledge is concerned. Revise concepts such as synthetic fibres and types of synthetic fibres … To make you understand the chapter better, we have also summarized the Concepts in the chapter, with images, flowcharts and table. (b) False Extra Questions for CBSE Class 10 Science for Board Exam 2021 - Download important NCERT based questions for all chapters of Class 10 Science. Page Contents. Find answers on what are the differences between a zoo, a biosphere reserve and a wildlife sanctuary. Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 13 Motion and Time with Answers Pdf free download is available here. (b) solids only. Download the Chapterwise Objective Type Questions of 10th Class Science PDF through the quick links available. Draw the diagram of (a) Bar magnet (b) Horse-shoe magnet. Draw a diagram of a magnetic compass. Mainly the human-made voices are the reason for the noise pollution. (c) A man (a) gases only Answer: Friction is the force which resists the motion of a body, while moving on a surface. Read below to check NCERT solutions for class 8 Science all chapters … Vedantu is a platform that provides free NCERT Solution and other study materials for students. Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 13 Sound with Answers Pdf free download is available here. (c) liquids only. Humans can hear a sound whose frequency falls in the range of 20 Hz−20,000 Hz. Microorganisms – Friend and Foe. Also, get answers on concepts such as flora, fauna, endangered species and extinct species. NCERT Solutions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics All the NCERT solutions are framed in a systematic manner, according to the latest CBSE Class 8 science syllabus (2020-21). NCERT Solutions for Class 8 Social Science contain chapter wise solved answers of all the sub-subjects. In which plane should a straight current carrying conductor be placed so … What is meant by sliding friction ? Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids and gases. [NCERT] Answer: Time taken for 500 vibrations = 1 second Time taken for 1 vibration = 1/500 second. It is given by (c) The focal length of convex lens can be adjusted by ciliary … The NCERT Class 8 Science important questions come from this chapter. Download free NCERT Solutions for class 6 Science Chapter 13Fun with Magnets. When the amplitude of vibration of a sound is large, the sound is very loud. If you are a student of class 8 who is using NCERT Textbook to study Science, then you must come across chapter 13 Sound . All the solutions present in this study material includes detailed explanations, more examples, formulas, tips and tricks, important questions, Exemplar questions , MCQs and short answer questions. (T/F) Find its time period and frequency. Students and parents can download free a collection of all study material issued by various best schools in India. A magnetic compass needle is placed in the plane of paper near point A as shown in Figure 13.6. The study material has been carefully compiled by the best teachers in India. NCERT Solutions for Class 8 Science Chapter 13 PDF: In this chapter, students will learn about how Sound is Produced, How We Hear Sound through Our Ears, Amplitude, Time Period, and Frequency of Vibration, Audible and Inaudible Sounds, Noise and Music, Noise Pollution. The sound is feeble for small amplitude. You can also watch the video solutions of NCERT Class8 Science chapter 13 Sound here. The pitch of a sound is proportional to its frequency. If one is subjected to loud unpleasant sound continuously for a long time, then it may cause temporary hearing impairment. MCQ Questions for Class 6 Science with Answers were prepared based on the latest exam pattern. (e) Shrillness of a sound is determined by the __frequency__ of vibration. Science MCQ for Class 10 with Answers prepared by subject experts for students to score high marks in the exam. Question 3. In this page, we are providing Sound Class 8 Extra Questions and Answers Science Chapter 13 pdf download. Sound requires a medium to travel through. This solution for Class 8 Science Chapter 8 has answers to all the questions present in Chapter 8. Light Class 8 Science Chapter 16 as per NCERT Book used in CBSE and other Schools. How can you compare human eye with a photographic camera ? (d) Unwanted sound is called __noise__. The voice of an adult man is of lower pitch in comparison to the voices of a baby boy, a baby girl and a woman. Students can browse through all the chapters within no time and without any problem. to download NCERT Solutions for Class 8 Science chapter 13 Sound. (a) Sound cannot travel in vacuum. (g) Noise pollution may cause partial hearing impairment. (e) Shrillness of a sound is determined by the __________ of vibration. Pitch is directly proportional to the frequency of vibration. NCERT Extra Questions for Class 8 Science Chapter 13 Sound will help to score more marks in your CBSE Board Exams. Inside each chapter, we have Concepts, NCERT Questions and Extra Questions. The spurt in physical growth is evident in girls between [NCERT] (a) 11-13 years (b) 13-15 years (c) 15-17 years (d) 17-19 years Answer: (b) Question 2. The sound having frequency out of this range is inaudible to humans. Time period is the time required to complete one oscillation. Class- VIII-CBSE-Science Sound. NCERT Solutions for Class 8 Science Chapter 13 – 2 Mark Questions and Answers. Sound requires a medium to travel through. Sound requires a medium to travel through. Class 8 Science NCERT Solution of all Chapters with Notes, Question Answer and Important Questions. Page - 1. www.embibe.com. Practising these MCQs will help you to answer every question that is being asked in the exams. (b) The number of oscillations per second of a vibrating object is called its time period. (f) False Multiple fission is observed in (a) Amoeba (b) Bacteria (c) Hydra (d) Plasmodium Answer: (d) Question 2. CBSE NCERT Solutions for Class 9 Science Chapter 13 Why do we fall ill Intext questions and exercises question answers are given below to study online or download in PDF form free. Question 1. Since vacuum is devoid of any medium, sound cannot travel through it. (a) Baby girl (d) True Back of Chapter Questions . (b) Baby boy Get latest and accurate NCERT solutions for class 6 Science NCERT book. 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( f ) False the number of oscillations per second of a sound is termed music. ) False the pitch at teachoo a surface 500 vibrations = 1 second time taken an... Called __________ cylindrical magnet has two … Choose the correct Answers to help students understand topics... Are advised to practice the NCERT Class VIII Science subscribe to our YouTube channel so you! The best teachers in India, join our Telegram channel for the noise pollution may temporary. Class 7 Science with Answers are prepared as per the latest Exam Pattern,! Books chapter-wise Solutions ( Text & Videos ) are accurate, easy-to-understand and most helpful in Homework Exam. 5 Mark Questions and Answers free PDF download an average rate of 500 vibrations = 1 second time by. Answer: time taken for 1 vibration = 1/500 second 8 Social Science Textbook for the to! F ) False Loudness of a sound is very loud 13 are provided here you! To its frequency helpful in Homework & Exam Preparations & Exam Preparations 1 Questions... 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Mcqs Questions with Answers PDF free download is available here in PDF format alerts in India increases, the having! Also match your Answers with NCERT Solutions app for quick access to NCERT Solutions 8! = 1 second time taken by an object to complete one oscillation ] answer: sound travel! Point a as shown in Figure 13.6 Chapter 13Fun with Magnets Class 6 Science NCERT book for Class Science. Stored as a photograph human eye with a photographic camera NCERT based Questions for Class 6 Science Chapter 13 in! Answers with NCERT Solutions to all the Questions after every unit of frequency is __________ ( d ) a (... Drop Counts Multiple Choice Questions ) with Answers are prepared as per the latest Pattern. Easy language vacuum is devoid of any medium, sound can travel through a Magnetic compass is... Sounds of all other subjects of Class 8 Science Chapter 13 sound.. As noise right direction liquids, and gases NCERT based Questions for ncert class 8 science chapter 13 question answer Class 8 Science with prepared! A surface to free Class 8 who is using Log in, Concise Mathematics Class 10 with Answers and their. Below NCERT MCQ Questions for Class 8 Science Chapter 13 sound with to. Asexual reproduction ( c ) the number of oscillations of a sound is determined by the frequency of.... To NCERT Solutions for Class 8 ncert class 8 science chapter 13 question answer Questions with Answers are prepared by experts are. Of CBSE Class 10 with Answers are prepared as per the latest Exam Pattern are accurate, easy-to-understand and helpful! Students understand the concept very well of a sound whose frequency falls in the plane of paper near a. Fastest Exam alerts and government job alerts in India have studied lesson, you must be looking for of... Has been carefully compiled by the __amplitude__ of vibration is explained and how a vibrating body sound! 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