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Fill in the blanks:

(i) The perpendicular to the mirror at the point of incidence is called …………. .

(ii) The reflection of light from a wooden surface is ……….. reflection.

(iii) The working of a kaleidoscope is based on the properties of …………… .

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(i) The perpendicular to the mirror at the point of incidence is called the normal.

(ii) The reflection of light from a wooden surface is irregular reflection.

(iii) The working of a kaleidoscope is based on the properties of reflection of light.

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