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Ultrasonic sound waves are used in...

Ultrasonic sound waves are used in _______

A

dishwashers

B

medical diagnostics

C

detection of flaws in materials

D

All of the above

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The correct Answer is:
D
Ultrasonic sound waves are used in (a) dishwashers (ultrasonic bath), (b) medical diagnostics, (c) detection of flaws in materials, etc.
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Complete each of the. following sentences by choosing the correct term from the word bank. loudness, echoes, pitch, noise, solids, sound quality, vibrations, wavelength frequency, wave, vacuum, amplitude, lesser, infrasonics, ultrasonics Sound is produced by ________ .

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Ultrasonic waves are produced by making use of

PEARSON IIT JEE FOUNDATION-SOUND-CONCEPT APPLICATION (LEVEL-1)
  1. Propagation of sound can be visualized as propagation of in the mediu...

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  2. A frequency of 1 Hz means oscillations per second.

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  3. Ultrasonic sound waves are used in

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  4. The sound produced by a siren given by a company reaches a person on t...

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  5. The velocity of a wave is 220 ms^(-1), the distance travelled by the w...

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  6. An echo of sound produced by a person, is heard from a distant tower a...

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  7. The flash of lightening is seen much before we hear the thunder becaus...

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  8. Which of the following materials is the best absorber of sound ?

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  9. The pitch of sound is determined by the of vibration.

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  10. When two tunning forks A and B, having frequencies 512 Hz and 212 Hz, ...

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  11. The time period of a seconds pendulum is s.

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  12. The frequency of a vibrating body is 100 Hz. Its time period is

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  13. The velocity of sound in vacuum is m s^(-1)

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  14. The time taken to displace a vibrating body from its mean position to ...

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  15. Which of the following statements is wrong?

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  16. As the amplitude of a vibrating body increases, the loudness of the so...

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  17. A tabla or a drum is an example of a

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  18. The loudness of sound is measured in .

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  19. Loudness of a sound in the range of 5 dB - 8 dB is .

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  20. When the length of the pendulum increases, the time period of the pend...

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