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Electromagnetic...

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  • Question 1
    4 / -1

    Which of the following statements is not true in case of electromagnetic waves?

  • Question 2
    4 / -1

    The oscillating electric and magnetic field vectors of an electromagnetic waves far away from source are oriented along

  • Question 3
    4 / -1

    Which of the following option of electromagnetic waves is in order of increasing frequency ?

  • Question 4
    4 / -1

    The sum delivers103 Wm–2 of electromagnetic flux to earth’s surface. The total power that is incident on a roof of dimension 8m x 20m will be

  • Question 5
    4 / -1

    Bolometer is used to detect ______________

  • Question 6
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    Range of frequency of microwaves is about __________

  • Question 7
    4 / -1

    SI unit of displacement current is

  • Question 8
    4 / -1

    The frequencies of x rays, γ rays and ultraviolet rays are respectively p, q and r then

  • Question 9
    4 / -1

    At room temperature, if the relative permitivity of water is 80 and the realtive permiability be 0.0222 then the velocity of light in water is __________ m/s

  • Question 10
    4 / -1

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