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With reference to sound, the number of t...

With reference to sound, the number of to and fro motions of a membrane in per unit time is expressed in the unit of

A

angstrom

B

second

C

meter

D

hertz

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BEIITIANS-SOUND-Conceptive Worksheet
  1. Sound is produced by

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  2. When two people talk with each other, energy is transferred through

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  3. One end of a ruler is fixed on a table and the other end is struck T...

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  4. Tom spreads some sand particles on a drum-head. He strikes the drum wi...

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  5. When a stretched membrane is beaten, it starts ….i……….. This phenomeno...

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  6. Justin and his friend Daniel stand at the two ends of a large empty ha...

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  7. Two fishing boats are at mid sea. One of the boats sends two sound sig...

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  8. Longitudinal waves cannot travel through

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  9. Which of the following sound waves produces the loudest sound?

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  10. With reference to sound, the number of to and fro motions of a membran...

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  11. Julie hears the ringing of a bell at a nearby church. She hears the be...

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  12. A membrane is vibrating at a rate of 20 oscillations in two seconds. T...

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  13. The loudness of sound is determined by the

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  14. Cruz is standing in a pond. He throws a stone in the pond at some dist...

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  15. The bob of a simple pendulum is oscillating with a frequency of 25 Hz....

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  16. Which of the following frequencies of sound is not heard by humans?

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  17. High noise levels can injure the ear drum and cause deafness. Which of...

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  18. Which of the following effects is unlikely to occur because of noise p...

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