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Electromagnetic...

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  • Question 1
    4 / -1

    An observer is at 2m from an isotropic point source of light emitting 40w power.The rm.s value of electric due to the source at the position of the observer is_________

  • Question 2
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    Electromagnetic waves used in medicine to destroy cancer cells

  • Question 3
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  • Question 4
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    What oscillates in an electromagnetic wave?

  • Question 5
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    Which of the following rays are not electromagnetic waves?

  • Question 6
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    The rms value of the electric field of the light coming from the sun is 720 N/c. The average tatal energy density of the electromagnetic wave is

  • Question 7
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    What is the wave length of range of electromagnetic waves?

  • Question 8
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    What is the wavelength range of visible light?

  • Question 9
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  • Question 10
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    In electromagnetic spectrum, the visible light lie between

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