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High noise levels can injure the ear dru...

High noise levels can injure the ear drum and cause deafness. Which of the following devices can lead to the production of high noise?

A

Fan

B

Alarm clock

C

Refrigerator

D

Leaf-blowing machine

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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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