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If a ray of light travels through two pr...

If a ray of light travels through two prisms such that second prism is parallel to first prism but placed in an mverted position then, the light coming out of second prism will be

A

only red and violet.

B

consisting of bands of seven colours.

C

white

D

only blue.

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Knowledge Check

  • When a ray of light passes through a prism,

    A
    the deviation of red light is maximum.
    B
    the deviation of violet light is maximum.
    C
    the deviation of blue light is maximum.
    D
    all rays deviate equally.

  • When a ray of light passes through a prism,

    A
    the deviation of red light is maximum.
    B
    the deviation of violet light is maximum.
    C
    the deviation of blue light is maximum.
    D
    all rays deviate equally.

  • For a light ray passing through a prism

    A
    angle of deviation increases when angle of incidence is increased
    B
    angle of deviation decreases when angle of deviation is increased
    C
    When angle of incidence is increased or decreased from a particular value then in both cases angle of deviation increases.
    D
    Angle of deviation is approximately proportional to the refracting angle of prism provided prism is very thin.

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