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The beats are produced by sounding the t...

The beats are produced by sounding the two tuning forks together.If wax is put on any one of the forks. Then the beat period

A

Increases

B

decreases

C

remain same

D

may decrease, increase or remian the same

Text Solution

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The correct Answer is:
D
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The natural frequency of a tuning fork P is 432 Hz. 3 beats/s are produced when tuning fork P and another tuning fork Q are sounded together. If P is loaded with wax, the number of beats increases to 5 beats/s. The frequency of Q is

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When two tuning forks were sounded together , 20 beats were produced in 10 seconds. On loading one of the fork with wax, the number of beats increases. If the frequency of unloaded fork is 512Hz , calculate the frequency of other.

TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
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  2. A travelling wave passes a point of observation. At this point, the ti...

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  4. A wave is represented by the equation y = A sin(10pix + 15pit + (pi)...

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  5. A transverse wave of amplitude 0.5 m and wavelength 1 m and frequency ...

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  7. The equation of a wave is y =4 sin {(pi)/(2) (2t +(x)/(8))} ,where y,x...

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  8. The equation of a wave of amplitude 0.02 m and period 0.04 s travellin...

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  9. The path difference between the two waves y(1)=a(1) sin(omega t-(2pi...

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  11. A wave motion has the function y=a0sin(omegat-kx). The graph in figure...

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  13. The equation of sound wave travelling along negative X-direction is gi...

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  14. A progressive wave is represented by the equation y= 0.5 sin ( 314t- ...

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  15. A wave of frequency 400 Hz has a phase velocity of 300 m/s The phase d...

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  16. A prograssive wave of frequency 500 Hz is travelling with a speed of 3...

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  17. If the speed of the wave shown in the figure is 330m//s in the given m...

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  18. The equation of a wave is y=A sin (2pint) When it is reflected at a f...

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  19. A bat flying above lake emits ultrasonic sound of 100 kHz ,When this w...

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  20. Two waves are represented by y(1)= a sin (omega t + ( pi)/(6)) and y(...

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  21. Two waves represented by the following equations are travelling in the...

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