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A scientist performed an experiment as s...

A scientist performed an experiment as shown in the picture below.

What do you think happened as air was pumped out of the jar and he rang the bell?

A

The sound became louder

B

The sound became fainter first and louder once all the air was pumped out.

C

The sound could not be heard anymore

D

The sound was the same as before.

Text Solution

Verified by Experts

The correct Answer is:
C
Sound requires a medium to travel.
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MTG IIT JEE FOUNDATION-SOUND -EXERCISE (MULTIPLE CHOICE QUESTIONS) (LEVEL - 2)
  1. For an oscillating pendulum of fixed length, which of the following is...

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  2. Which one of the following material will reflect sound better?

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  3. An object vibrated with a frequency of 15 Hz. Which of the following i...

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  4. Time taken for 10 oscillation of a body is 20 second, then time period...

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  5. Large amplitude of sound vibrations will produce

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  6. The pitch of sound depends on

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  7. A scientist performed an experiment as shown in the picture below. ...

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  8. Which of them has highest amplitude ?

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  9. Which of them has highest frequency?

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  10. The speed of sound in solid, liquid and gas can be correctly compared ...

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  11. Flash and thunder are produced simultaneously. But thunder is heard a ...

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  12. Which of the following is NOT correct?

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  13. The buzzing sound produced by a mosquito is produced by

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  14. The membrane of a drum vibrates to produce sound. Similarly the string...

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  15. When a tuning fork was struck and brought near a bucket of water, a wa...

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  16. By changing length of the scale protruding out of table and vibrating ...

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  17. A bomb explodes on the moon. How long will the sound take to reach the...

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  18. The frequency of a source is 20 kHz. The frequencies of sound wave pro...

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  19. Which of the following statement is true?

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  20. Loudness of sound is directly proportional to the

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