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Two vibrating tuning forks produce progr...

Two vibrating tuning forks produce prograssive waves given by ` y_1 = 4sin 500 pi t , and y_2 =2 sin 506 pi t ` and are hold near the ear of a person Number of beats head per minute is

A

180

B

3

C

360

D

60

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
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  2. Each of a given set of 32 tunning forks arranged in a series of increa...

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  3. Two vibrating tuning forks produce prograssive waves given by y1 = 4s...

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  4. Two waves of wavelength 2 m and 2.02 m , with the same speed, superim...

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  5. Two turning forks produce 4 beats per second when sounded together,The...

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  6. The velocity of sound in a gas ,in which two waves of length 1.00 m an...

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  7. A set of 28 tuning forks is arranged in a series of decreasing frequen...

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  8. Wavelengths of two sound waves in air are (110)/( 177) m and ( 110)/(...

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  9. A person is standing on a railway platform.An engine blowing a whistle...

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  10. Two aeroplanes A and B ,each moving with a speed of 720 km/hr. are mov...

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  11. An engine blowing a whistle of frequency 133 Hz moves with a velocity ...

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  12. A passenger is sitting in a fast moving train The engine of the train...

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  13. A source of sound and a listener both are moving in the same direction...

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  14. If a stationary observer notes a change of 25% in the frequency of a w...

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  15. A train A is travelling at a speed of 108 km hr^(-1) The train appro...

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  16. Two cars are approaching each other with same speed of 20 m//s . A ma...

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  17. An engine is moving on a circular track with a constant speed It .is b...

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  18. An engine driver moving towards a wall with a velocity of 60 m/s emit...

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  19. An object producing a pitch of 600 Hz approaches a stationary person i...

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  20. When both source and listener approach each other with a velocity equa...

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