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Ray Optics Test...

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  • Question 1
    4 / -1

    The sky would appear red instead of blue if

  • Question 2
    4 / -1

    A triangular prism of glass is shown in the figure. A ray incident normally to one face is totally reflected, if θ = 45°. The index of refraction of glass is

  • Question 3
    4 / -1

    The wavelength of emission line spectrum and absorption line spectrum of a substance are related as

  • Question 4
    4 / -1

    White light is passed through a prism whose angle is 5°. If the refractive indices for rays of red and blue colour are respectively 1.64 and 1.66, the angle of deviation between the two colours will be

  • Question 5
    4 / -1

    From which source a continuous emission spectrum and a line absorption spectrum are simultaneously obtained

  • Question 6
    4 / -1

    The spectrum obtained from a sodium vapor lamp isan example of

  • Question 7
    4 / -1

    The splitting of white light into several colours on passing through a glass prism is due to

  • Question 8
    4 / -1

    A white screen illuminated by green and red light appears to be

  • Question 9
    4 / -1

    Dark lines on solar spectrum are due to

  • Question 10
    4 / -1

    Line spectra are due to

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