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Dispersive power of a prism is……….of………....

Dispersive power of a prism is……….of……….and………. .

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the ratio , angular dispersion , mean deviation.
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Angular dispersion of a prism is……….of………..and……….colours.

On what factors does the dispersive power of a prism depend ?

Knowledge Check

  • Dispersive power depends upon

    A
    the shape of prism
    B
    material of prism
    C
    angle of prism
    D
    height of the prism

  • Dispersive power depend upon

    A
    the shape of prism
    B
    material of prism
    C
    angle of prism
    D
    height of the prism

  • Statement 1: If two prisms of small apex angles are made of same material then prism of larger apex angle will produce more dispersion. Statement 2: Dispersive power of a prism is proportional to apex angle of prism.

    A
    Statement-1 is true, Statement-2: is true, Statement-2 is a correct explanation for Statement-1.
    B
    Statement-1 is true, Statement-2: is true, Statement-2 is NOT a correct explanation for Statement-1.
    C
    Statement-1 is true but statement-2 is false
    D
    Statement-1 is false, Statement-2 is true

    • Similar Questions

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    Dispersive power of the material of prism is 0.0221 . If the deviation produced by it for yellow colour is 38^ @ then the angular dispersion between red and violet colours is

    When a ray of sun light passes through the prism each colour of light has its own speed in the glass. The seven colours come out of the prism with different angles of deviation. Red deviates least and violet deviates maximum. Thus a prism can disperse a white light into seven colours which is called colour spectrum. For a thin prism the angle of deviation is given as 8 =(n-1) The angle of dispersion is given as 0 = 8 -0. The dispersive power of a prism is 0 mean 8 Using the above ideas give answer the following questions A prism has R.I. for violet and red = 1.523 n = 1.5145. If the angle of prism is A = 2° the dispersive power of the prism is :

    Dispersion Of Light |Prism

    Dispersive power does not depend upon

    Dispersive power of a prism with the increase in prism angle

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