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The key of the mechanical plano is press...

The key of the mechanical plano is pressed (struck) first lightly and then with force, in second case ..

A

sound would be loud but pitch would be same as earlier

B

sound would be loud and pitch would be higher

C

sound would be loud but pitch would be lower

D

there would be no effect on both the loudness and pitch of the sound

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sound would be loud but pitch would be same as earlier
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KUMAR PRAKASHAN-SOUND-QUESTIONS AND ANSWERS (Choose the correct option from those given below cach question:)
  1. The distance between two consecutive conden sations in the sound wave ...

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  2. In the air, the velocity of sound wave is 340 ms^(-1) and wavelength i...

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  3. Waves of light are ........

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  4. On which of the following factors does the velocity of wave not depend...

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  5. The wavelength of the wave produced on the surface of water is 2 cm. I...

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  6. Two waves produced from a source are shown in the following figure. St...

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  7. Wave of which of the following frequenciescould we hear?

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  8. What is the frequency range of audible sound wave?

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  9. Which type of sound waves does the bat produce?

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  10. Who can experience ultrasonic sound?

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  11. Which waves are used in ECG technique?

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  12. Whose unit is decibel (dB)?

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  13. The SI unit of intensity of sound is ........

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  14. Note is a sound which is ........

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  15. The key of the mechanical plano is pressed (struck) first lightly and ...

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  16. In SONAR ......... waves are used.

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  17. When sound waves propagate in air……..

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  18. When we convert soft sound in to loud sound, we increase its

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  19. ....... can hear Infrasonic sound.

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  20. In the begining of music programme, the sitarist changes / adjusts the...

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