(a) How can you bend light away from the normal ? (b) How must light travel out of a substance if it is not going to be refracted ?

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Solution

a) By making the light enter from a denser medium to a rarer medium.
(b) Incidence should be at right angle to the surface of substance.

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Q. Statement 1: A light ray travelling from a denser medium to a rarer medium bends away from the normal.
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(a) How can you bend light away from the normal ? (b) How must light travel out of a substance if it is not going to be refracted ?

a) By making the light enter from a denser medium to a rarer medium. (b) Incidence should be at right angle to the surface of substance.

a) By making the light enter from a denser medium to a rarer medium.
(b) Incidence should be at right angle to the surface of substance.