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The frequency of seconds pedulum is...

The frequency of seconds pedulum is

A

0.5 Hz

B

1.0 Hz

C

2.0 Hz

D

1.5 Hz

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MODERN PUBLICATION-SOUND-EXERCISE
  1. Sound travels the fastest in

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  2. A person clapped his hands near a cliff and heard the echo after 5 s. ...

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  3. The frequency of seconds pedulum is

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  4. A source emits sound of frequency 600 Hz inside water. The frequency h...

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  5. Distance between a consecutive crest and trough is 5 cm. The wave leng...

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  6. In which part of the ear are sound waves amplified?

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  7. Which of the following help in the communication between two astronatu...

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  8. A marine survey ship sends a sound wave straight to the sea bed. It de...

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  9. What is the least time interval required to hear a distinct echo?

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  10. Which of the following statements about sound waves is correct?

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  11. The regions of compressions and rarefractions of sound wave are establ...

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  12. Identify the longitudinal waves from the following.

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  13. A wave source produces 10 oscillations in 100 ms . Find the time perio...

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  14. What does a wave transfer?

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  15. Differentiate between crest and trough.

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  16. Why are cannot hear an echo in a small room?

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  17. Mention the types of mechanical waves. Identify the type which can be ...

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  18. Draw graph for a wave representing wave disturbances and time for a so...

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  19. When does the ear drum of human ear vibrate?

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  20. List three points which an engineer should use while designing an audi...

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