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Which colour from violet and Red is...

Which colour from violet and Red is more refracted ? Why

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Red colour is more refracted them violet because red colour has short wavelength
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The refractive indices of the crown glass for violet and red lights are 1.51 and 1.49 respectively and those of the flint glass are 1.77 and 1.73 respectively A prism of angle 6^(@) is made of crown glass .A beam of white light is incident at a small angle on this prism.The other thin flint glass prism is combined white the crown glass prism such that te net mean deviation is 1.5^(@) anticlockwise. (i)Determine the angle of the flint glass prism. (ii)A screen is placed normal to the emerging beam at a distance of 2m from the prism combination.find the distance between red and violet spot on the screen Which is the topmost colour on screen.

Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism ?

Knowledge Check

  • A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths are 1.39, 1.44 and 1.47 respectively. The prism will :

    A
    separate the red colour part from the green and blue colours
    B
    separate the blue colour part from the red and green colours
    C
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    D
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