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- 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 that aligns with the CBSE Board.
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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 that aligns with the CBSE Board.
- The topics and subtopics present in Chapter 13 of NCERT Solutions for Class 8 Science are as follows: Sound is Produced by a Vibrating Body Sound...
- The NCERT Solutions for Class 8 Science Chapter 13 is prepared by highly experienced faculty after conducting vast research on each concept. While...
- The human ear can easily detect frequencies between 20 Hz and 20 kHz. Hence, sound waves with frequency ranging from 20 Hz to 20 kHz is known as au...
- Sound Class 8 Science Ncert Textbook Questions
- Sound Class 8 Science Ncert Intext Activities Solved
- Ncert Solutions For Class 8 Science Chapter 13 – 1 Mark Questions and Answers
- Ncert Solutions For Class 8 Science Chapter 13 – 2 Mark Questions and Answers
- Ncert Solutions For Class 8 Science Chapter 13 – 3 Mark Questions and Answers
- Ncert Solutions For Class 8 Science Chapter 13 – 5 Mark Questions and Answers
- Ncert Solutions For Class 8 Science Chapter 13 Mcqs
Question 1. Choose the correct answer. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids, and gases Answer: (d) solids, liquids, and gases. Question 2. Voice of which of the following is likely to have a minimum frequency? (a) Baby girl (b) Baby boy (c) A man (d) A woman Answer: (c) A man Question 3. In th...
Activity 1 (NCERT Textbook, Page 158) Take a metal plate (or a shallow pan). Hang it at a convenient place in such a way that it does not touch any wall. Now strike it with a stick (Fig. 13.1). Touch the plate or pan gently with your finger. Do you feel the vibrations? Again strike the plate with the stick and hold it tightly with your hands immedi...
Question 1. Choose the correct answer. Sound can travel through 1. Gases only 2. Solids only 3. Liquids only 4. Solids, liquids and gases. Answer: Solids, liquids and gases. Question 2. Voice of which of the following is likely to have minimum frequency ? [NCERT] 1. Baby girl 2. Baby boy 3. A man 4. A woman Answer: Aman Question 3. Identify the par...
Question 1. The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration ? [NCERT] Answer: Time taken for 500 vibrations = 1 second Time taken for 1 vibration = 1/500 second. ∴ Time period = 1/500 second. Question 2. How do plants help in reducing noise po...
Question 1. List sources of noise pollution in your surroundings. [NCERT] Answer: The major sources of noise pollution are sounds of vehicles, explosions, machines, loudspeakers. Question 2. What are the effects of noise pollution ? Answer: Due to noise pollution a person may suffer from lack of sleep, hypertension and anxiety. If a person is expos...
Question 1. Sketch larynx and explain its function in your own words. [NCERT] Answer: We produce sound in the larynx of our throats. The larynx has two vocal cords, which are folds of tissue with a slit like opening between them. When we speak, air passes through the opening and the vocal cords vibrate to produce sound. Question 2. Lightning and th...
Question 1. The maximum displacement of a vibrating body on either side of its mean position, is known as its (a) Frequency (b) Loudness (c) Amplitude (d) Pitch Answer: (c) Question 2. The frequency of a given sound is 1.5 kHz. The vibrating body is (a) completing 1,500 vibrations in one second. (b) taking 1,500 seconds to complete one vibration. (...
Jun 10, 2021 · Class 8 Science NCERT Solutions of Chapter 13 Sound help you in improving the marks in the examinations and have edge over your classmates. These NCERT Solutions are curated by the experts in a comprehensive which can be helpful in clearing your doubts instantly.
Answer: The vibrating object produces sound. When vibration is produced in the air, sound travels from one place to another in the form of disturbance of the air particles. For propagation from one place to another, sound needs a medium (gas, liquid or solid). It cannot travel in a vacuum.
Sep 15, 2023 · The NCERT solutions for class 8 science chapter 13 sound give an explanation to 13 exercise questions. **According to the CBSE Syllabus for the academic year 2023-24, this particular chapter has been assigned a new chapter number, which is Chapter 9.
NCERT Solutions for Class 8 Science Chapter 13 Sound provided in this article are strictly based on the CBSE syllabus and curriculum. Students can easily download these solutions in PDF format for free or can read them online.
Jun 24, 2021 · Sound NCERT Solutions for Class 8 Science Chapter 13. Class 8 Science Chapter 13 Sound Textbook Exercise Questions and Answers. Page 168-169. Question 1. Sound can travel through. a. gases only. b. solids only. c. liquids only. d. solids, liquids and gases. Answer: d. solids, liquids and gases. Question 2.
