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The unit of frequency is second....

The unit of frequency is second.

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The correct Answer is:
false
The unit of frequency is cycles per second (or) Hertz.
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PEARSON IIT JEE FOUNDATION-SOUND-CONCEPT APPLICATION (LEVEL-1)
  1. The to and fro motion of an object is called vibration.

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  2. The maximum displacement of a bob from its mean position is called its...

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  3. The unit of frequency is second.

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  4. The time taken to perform 30 vibrations is 30 times the time taken for...

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  5. If a body vibrates 20 times in a second, then its frequency is 20 Hz.

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  6. Sitar, veena and guitar are some instruments.

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  7. The sounds of frequencies greater than 20 kHz are called ultrasonic so...

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  8. Sound travels much faster than light in a given medium.

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  9. The velocity of sound is more in vacuum than in any other medium.

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  10. In general, the voice of a woman has a higher frequency than that of a...

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  11. 1 kHz = Hz.

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  12. The vibratory motion of a tuning fork is in nature.

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  13. The time period of a simple pendulum is independent of of oscillation...

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  14. The loudness of sound is determined by its

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  15. sound is used as a diagnostic tool in medical science.

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  16. Sound needs a to travel.

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  17. Humans are sensitive to sound of loudness from to .

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  18. The loudness of sound with increase in the energy spent to vibrate a ...

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  19. Propagation of sound can be visualized as propagation of in the mediu...

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

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