Fill in the blanks and Explain the completed sentences.
a . Refractive index depends on the ............. of light.
b. The change in ................ of light rays while going from one medium to another is called refraction.

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Solution

a. Refractive index depends on the wavelength of light.
b. The change in direction of light rays while going from one medium to another is called refraction.

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Fill in the blanks

(1) The phenomenon of splitting of light into its component colours is _______

(2) Very fine particles mainly scatter _______ light.

(3) The phenomenon of change in the _______ of light when it passes from one transparent medium to another is refraction.

(4) The refractive index depends upon the _______ of propagation of light in different media.

Fill in the blanks to complete the following sentences:

(a) When light travels from a rarer to a denser medium, its speed .............

(b) When light travels from a denser to a rarer medium, its speed..........

(c) The refractive index of glass with respect to air is 3/2. The refractive index of air with respect to glass will be....................

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