CLASS 8 Chapter 13 Sound

Short answer type questions

Question 1. Name some devices that produce sound.

Question 2. How does sound is produced?

Question 3. What is vibration?

Question 4. Name some musical instruments. Name their vibrating parts that produce sound.

Question 5. What is the eardrum?

Question 6. Explain oscillatory motion.

Question 7. What are the two important properties of sound?

Question 8. What determines the pitch of sound?

Question 9. What do you understand by inaudible sound?

Question 10. What are unpleasant sounds?

Long answer type questions

Question 1. Explain how sound is produced by humans.

Question 2. Explain how sound propagates. Support your answer with an example.

Question 3. Explain the working of the human ear.

Question 4. Explain the following?

1. Amplitude
2. Frequency
3. pitch

Question 5. Write the difference between noise and music.

Question 6. What measures can be taken to limit noise pollution?