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Two sound waves of slightly different fr...

Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

A

Interference

B

diffraction

C

reflection

D

refraction

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The correct Answer is:
A
Beats are produced on account of interference of sound waves of slightly different frequencies
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NARAYNA-WAVES-Exercise-III
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  2. A tuning fork A produces 4 beats s^(-1) with another tuning fork B of ...

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  3. Two sound waves of slightly different frequencies propagating in the s...

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  4. Change in frequency due to Doppler's effect is produced when

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  5. Two points are located at a distance of 10 m and 15 m from the source ...

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  6. The driver of a car travelling with speed 30ms^-1 towards a hill sound...

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

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  8. If lambda(1), lamda(2)and lamda(3) are the wavelengths of the wave giv...

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  9. The ratio of intensities between two coherent sound sources is 4:1 the...

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  10. A closed organ pipe of length 1.2 m vibrates in its first overtone mod...

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  11. A wave in a string has an amplitude of 2 cm. The wave travels in the +...

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  12. A tuning fork of frequency 512 Hz makes 4 beats//s with the vibrating ...

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  13. A transverse wave is represented by y=Asin(omegat-kx). For what value ...

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  14. The equation y=4+2 sin (6t-3x) represents a wave motion. Then, wave sp...

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  15. Two waves y(1) =A(1) sin (omega t - beta (1)), y(2)=A(2) sin (omega...

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  16. A fork A has frequency 2% more than the standard fork and B has a freq...

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  17. Two instruments having stretched strings are being played in unison . ...

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  18. A point source emits sound equally in all directions in a non-absorbin...

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  19. Sounds waves travel at 350m//s through a warm air and at 3500m//s thro...

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  20. A source of sound moves towards an observer with a velocity 108km//h a...

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