1.

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 ……………….

Answer»

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

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

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



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