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Why is sound wave called a longitudinal ...

Why is sound wave called a longitudinal wave?

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R G PUBLICATION-SOUND-EXAMPLE
  1. Describe with the help of a diagram, how compressions and rarefactions...

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  2. Cite an experiment to show that sound needs a material medium for its ...

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  3. Why is sound wave called a longitudinal wave?

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  4. Which characteristic of the sound helps you to identify your friend by...

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

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  6. A person has a hearing range from 20 Hz to 20 kHz. What are the typica...

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

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  8. The frequency of a source of sound is 100 Hz. How money times does it ...

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

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

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

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

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  13. A sound wave travels at a speed of 339 m s^-1. If its wavelength is 1....

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

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  15. What is loudness of sound? What factors does it depend on?

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  16. Explain how bats use ultrasound to catch a prey.

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  17. How is ultrasound used for cleaning?

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  18. Explain how defects in a metal block can be detected using ultrasound.

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  19. A sonar device on a submarine sends out a signal and receives an echo ...

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  20. Explain how defects in a metal block can be detected using ultrasound.

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