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Give any three examples of e.m. waves....

Give any three examples of e.m. waves.

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Visible light, X-rays , Radio waves.
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PRADEEP-OSCILLATIONS AND WAVES-Very Short Answer Questions
  1. Glass windows may be broken by a far away explosion. Why?

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  2. Which type of waves do not require a material medium for propagation?

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  3. Give any three examples of e.m. waves.

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  4. What is the speed of e.m. waves in vacuum?

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  5. What is the angle between particel velocity and wave velocity in (i) t...

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  6. In which type of media, solids, liquids, gases is transverse wave moti...

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  7. In which type of media, solids, liquids, gases is longitudinal wave mo...

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  8. When the wire of a sonometer is plucked, what is the nature of waves (...

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  9. The time period of a vibrating source of sound is 0.01s. If speed of s...

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  10. Is it possible to have longitudinal waves on a string? A transverse wa...

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  11. What type of mechanical waved do you expect to exist in (a) vacuum (b)...

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  12. What is the distance between a compression and its nearest rarefaction...

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  13. A point source emits sound equally in all directions in a non-absorbin...

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  14. In a longitudinal wave, there is a state of maximum compression at a p...

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  15. What do mechanical waves transfer : energy, matter, both or neither ?

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  16. What are pressure waves?

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  17. What type of motion particles of a medium execute when a wave passes t...

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  18. What determines the type of wave motion in a medium ?

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  19. Which property is common in all types of mechanical waves?

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  20. Light waves can be polarised but sound waves cannot be. Why?

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