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Physics Test 14...

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  • Question 1
    4 / -1

    A convex lens is dipped in a liquid, whose refractive index is greater than the refractive index of lens material, then convex lens will behave as

  • Question 2
    4 / -1

    An object is placed at the focus of convex mirror. The image will be at

  • Question 3
    4 / -1

    If an unpolarised light is polarised by reflection, then the angle between refracted and reflected light is

  • Question 4
    4 / -1

    In Young’s double slit experiment, the central fringe is

  • Question 5
    4 / -1

    A Young’s double slit experiment uses a monochromatic source. The shape of the interference fringe formed on a screen is

  • Question 6
    4 / -1

    When intensity of incident photon increases in photoelectric experiment, then

  • Question 7
    4 / -1

    An electron and proton are accelerated through same potential, then the ratio of their de-Broglie waves  will be (where, me and mp are mass of electron and proton, respectively)

  • Question 8
    4 / -1

    The rest mass of photon moving with velocity c having wavelength λ is

  • Question 9
    4 / -1

    Photoelectric emission takes place

  • Question 10
    4 / -1

    The de-Broglie wavelength for electron by accelerated 100 V potential is

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