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MCQ Science and Technology Chapter 12 Class 9 Maharashtra Board

Study of Sound

1. What creates the sensation of hearing in our ears according to the document?

Question 1 of 20

2. What is sound in the form of, as per the document?

Question 2 of 20

3. What does a sound wave produce in the medium?

Question 3 of 20

4. In longitudinal sound waves, how do particles oscillate relative to the wave’s propagation?

Question 4 of 20

5. What type of waves are produced when a stone is dropped in still water?

Question 5 of 20

6. What does the amplitude of a sound wave represent?

Question 6 of 20

7. What is the time period of a sound wave?

Question 7 of 20

8. What Greek letter indicates the frequency of a sound wave?

Question 8 of 20

9. What does the frequency of a sound wave determine?

Question 9 of 20

10. What does the amplitude of a sound wave determine?

Question 10 of 20

11. In the iron pipe activity, why does sound travel faster through the pipe than air?

Question 11 of 20

12. How is the velocity of a sound wave calculated?

Question 12 of 20

13. In which medium is the velocity of sound lowest?

Question 13 of 20

14. What happens to the velocity of sound as the temperature of the medium increases?

Question 14 of 20

15. What method did Borelli and Viviani use to calculate the speed of sound?

Question 15 of 20

16. How does the velocity of sound in a gas depend on temperature?

Question 16 of 20

17. How does the velocity of sound in a gas depend on density?

Question 17 of 20

18. How does the velocity of sound in a gas depend on molecular weight?

Question 18 of 20

19. Does the velocity of sound in a gas depend on pressure at a fixed temperature?

Question 19 of 20

20. What is the frequency range of audible sounds for humans?

Question 20 of 20


 

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