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If 20 waves are proeduced per second. Wh...

If 20 waves are proeduced per second. What is the frequency in Hertz?

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MODERN PUBLICATION-SOUND-EXERCISE
  1. Write the full form of SONAR.

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  2. Name the disease that can be caused by UV rays.

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  3. If 20 waves are proeduced per second. What is the frequency in Hertz?

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  4. Give classification of waves on the basis of movement of particles.

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  5. What are the important properties of a medium required for propagatio...

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  6. Give two examples in which a vibrating object produces sound.

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  7. What is a Stethoscope? How does it work?

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  8. What is the use of a megaphone?

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  9. Give some properties of ultrasound.

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  10. What are the uses of ultrasonic sound?

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  11. Make a list of different types of musical instruments and find the par...

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  12. Define the term time-period of a wave.

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  13. Give relation among the speed of sound v, wavelength lambda and freque...

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  14. A sound wave travels at a speed of 339 ms^-1. If its wavelength is 1.5...

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  15. An echo is returned in 6 seconds. What is the distance of the reflecti...

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  16. 20 waves pass through a point in 2 seconds. If the distance between on...

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  17. 20 waves pass through a point in 2 seconds. If the distance between on...

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  18. Sound is produced when school bell is struck with a hammer. Why?

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  19. Which characteristic of the sound help you to identify your friend by ...

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  20. A body is vibrating 6000 times in one miute. If the velocity of sound ...

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