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Calculate the velocity of EM waves in va...

Calculate the velocity of EM waves in vaccum.

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CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
  1. In a EM wave the electric field oscillates sinusoidally at a frequency...

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  2. The amplitude of the magnetic field part of a harmonic EM wave in vacu...

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  3. Calculate the velocity of EM waves in vaccum.

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  4. In free space, an EM wave of frequency 28 MHz travels along the x-dire...

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  5. A beam of red light has an amplitude 2.5 times the amplitude of second...

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  6. The magnetic field of an EM wave travelling along X-axis is vecB = 4 x...

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  7. For an EM wave propagations along x direction, the magnetic field osci...

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  8. For an EM wave propagations along x direction, the magnetic field osci...

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  9. What do you mean by EM spectrum?

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  10. State the different types of EM waves in the order of decreasing wavel...

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  11. Why are microwaves used in radar?

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  12. Why can light waves travel in vacuum whereas sound wave cannot?

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  13. Name the most harmful radiation entering the earth's atmosphere from t...

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  14. What are radio waves? Give its two uses

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  15. What are ultraviolet rays? Give its two uses.

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  16. State a few properties and uses of gamma-rays ?

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  17. State a few properties and uses of X-rays?

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  18. State a few properties and uses of the ultraviolet rays.

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  19. State a few properties and uses of Infrared rays

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  20. State a few properties of visible light.

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