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What is sound and how is it produced ?...

What is sound and how is it produced ?

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The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?

MBD-SOUND-Example
  1. What is the range of frequencies associated with: ultrasound?

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  2. A submarine emits a sonar pulse, which returns from underwater cliff i...

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  3. What is sound and how is it produced ?

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  4. Describe with the help of diagram, how compressions and rarefactions a...

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  5. Cite an experiment to show that sound need a material medium for its p...

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  6. Describe an experiment to show that sound need a material medium for i...

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  7. Describe an activity to show that sound is a mechanical wave and need ...

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  8. Why is sound wave called longitudinal wave?

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

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

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  11. Flash and thunder are produced simultaneously. But thunder is heard a...

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  12. A person has a hearing range from 20 Hz to 20 KHz. What is the typical...

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  13. Two children are at opposite ends of an aluminium rod. One strikes the...

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  14. The frequency of source of sound is 100 Hz. How many times does it vib...

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  15. Does sound follow the same laws of reflection as light does ? Explain.

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  16. When a sound is reflected from a distant object, an echo is produced. ...

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  17. Give two practical applications of reflection of sound waves.

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  18. A stone is dropped from the top of a tower 500 m high into a pond of w...

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

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  20. What is reverberation ? How can it be reduced ?

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