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When beats are produced by two progressi...

When beats are produced by two progressive waves of nearly the same frequency, which one of the following if correct?

A

the beat frequency depends on the position where the beats are heard

B

the beat frequency decreases as time passes

C

the particles vibrate simple harmonically with a frequency equal to the difference of the two frequencies

D

the amplitude of vibration at any point changes simple harmonically with a frequency equal to the difference of the two frequencies

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The correct Answer is:
D
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CP SINGH-SOUND WAVES-Exercises
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  2. The phenomenon of beats can take place

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  3. When beats are produced by two progressive waves of nearly the same fr...

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  8. When a tuning fork A of frequency 100 Hz is sounded with a tuning fork...

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  9. Two tuning forks A and B vibrating simultaneously produce 5 beats//s. ...

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  10. The freuquency of tuning forks A and B are respectively 3% more and 2%...

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  11. Each of the two strings of length 51.6 cm and 49.1 cm are tensioned se...

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  12. Two wires are fixed in a sanometer. Their tension are in the ratio 8:1...

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  13. When beats are produced by two progressive waves of same amplitude and...

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  14. 65 tuning forks are arranged in order of increasing frequency. Any two...

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  15. In a stationary longitudinal wave, nodes are points of

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  16. When the open organ pipe resonates in its fundamental mode then at the...

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  17. An organ pipe, open at both ends, contains

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  18. Which of the following statements is wrong?

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  19. the fundamental frequency of a closed organ pipe is 50 Hz. The frequen...

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