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Ray Optics Test...

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  • Question 1
    4 / -1

    The path of a refracted ray of light in a prism is parallel to the base of the prism only when the

  • Question 2
    4 / -1

    A ray incident at 15° on one refracting surface of a prism of angle 60° , suffers a deviation of 55° . What isthe angle of emergence

  • Question 3
    4 / -1

    Two lenses having f1 : f2 = 2 : 3 has combination to make no dispersion. Find the ratio of dispersive power of glasses used

  • Question 4
    4 / -1

    In absorption spectrum of Na the missing wavelength(s) are

  • Question 5
    4 / -1

    A ray is incident at an angle of incidence i on one surface of a prism of small angle A and emerges normally from the opposite surface. If the refractive index of the material of the prism is the angle of incidence i is nearly equal to

  • Question 6
    4 / -1

    Colour of the sky is blue due to

  • Question 7
    4 / -1

    Which of the following spectrum have all the frequencies from high to low frequency range

  • Question 8
    4 / -1

    Stars are not visible in the day time because

  • Question 9
    4 / -1

  • Question 10
    4 / -1

    A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true

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