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There are 26 tuning forks arranged in th...

There are 26 tuning forks arranged in the decreasing order of their frequencies. Each tuning fork gives 3 beats with the next. The first one is octave of the last. What is the frequency of 18th tuning fork ?

A

100

B

99

C

96

D

103

Text Solution

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The correct Answer is:
B
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MOTION-SOUND WAVES-Exercise - 2
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  3. There are 26 tuning forks arranged in the decreasing order of their fr...

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  6. The sun is rotating about its own axis. The spectral lines imitted fro...

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  7. An observer moving towards a stationary source observes that the appar...

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  8. If the velocity of sound is V, velocity of the observer is V(0) and ...

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  9. When a source of frequency n is receding away from a stationary observ...

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  10. A source is approaching a stationary observer with uniform acceleratio...

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  12. A man stands at rest in front of a large smooth wall. Directly in fron...

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  14. {:(overset(*)(A),overset(*)(S(1)),overset(*)(B),overset(*)(S(2)),overs...

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  15. A person is standing at distance of r from a source of sound. The freq...

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  16. If the wavelength of light emitted by a star is shifted towards red en...

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  17. Two whistles Aand B produces notes of frequencies 660 Hz and 596 Hz re...

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  18. The frequency of a radar is 780 MHz. After getting reflected from an a...

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  19. If a source sounding a whistle with a constant frequency moves in a ci...

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  20. A band playing music at a frequency f is moving towards a wall at a sp...

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