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Ultrasonic waves are those waves which …...

Ultrasonic waves are those waves which ……………

A

human beings cannot hear

B

human beings can hear

C

have high velocity

D

have large amplitude

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The correct Answer is:
A
human beings cannot hear
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FULL MARKS-WAVES -Additional Questions Solved
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  2. The diagram shows the profile of a wave, which of the following pairs...

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  3. Ultrasonic waves are those waves which ……………

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  4. A transverse wave of amplitude 0.5m, wavelength 1m and frequency 2Hz i...

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  5. With the rise of temperature, the speed of sound in a gas ……..

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  6. Speed of sound in a gas in proportional to ………

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  7. Velocity of sound in air is ……….....

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  8. A longitudinal wave is described by the equation y = y(0) sin 2pi (ft ...

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  9. If y(0) and v denote the sound velocity and the rms velocity of the mo...

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  10. With propogation of longitudinal waves through a medium the quantity t...

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  11. If the amplitude of sound is doubled and the frequency reduced to one-...

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  12. When a source of sound is in motion towards a stationary observer, the...

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  14. The frequency of a radar is 780 MHz. When it is reflected from an appr...

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  15. The temperature at which the speed of sound in air becomes double its ...

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  16. The equation of a transverse wave is given by y = 10 sin {pi (0.01 x -...

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  17. When sound waves travel from air to water, which of the following rema...

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  18. The speed of sound in oxygen is 332 m/s at STP. The speed of sound in ...

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  19. If v(a) , v(b) and v(m) are the speed of sound in air , hydrogen and a...

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  20. Ultrasonic waves can be detected by ................ .

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