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Wave Optics Tes...

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  • Question 1
    4 / -1

    The rms value of the electric field of the light coming from the Sun is 720 N/C. The average total energy density of the electromagnetic wave is

  • Question 2
    4 / -1

    A new system of units is evolved in which the values of µ0 and ϵ0 are 2 and 8 respectively. Then the speed of light in this system will be

  • Question 3
    4 / -1

    The magnetic field amplitude of an electromagnetic wave is 2 × 10–7 T. It\'s electric field amplitude if the wave is travelling in free space is

  • Question 4
    4 / -1

    Electromagnetic waves can be deflected by

  • Question 5
    4 / -1

    The dielectric constant of air is 1.006. The speed of electromagnetic wave travelling in air a × 108ms–1, where a is about

  • Question 6
    4 / -1

    The wavelength of the matter waves is independent of

  • Question 7
    4 / -1

    All components of the electromagnetic spectrum in vacuum have the same

  • Question 8
    4 / -1

    The electromagnetic theory of light failed to explain

  • Question 9
    4 / -1

    An electromagnetic wave propagating along north has its electric field vector upwards. Its magnetic field vector point towards

  • Question 10
    4 / -1

    Pick out the correct statement in the propagation of electromagnetic waves for communication purposes

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