Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.

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Solution

(i) Rear view mirrors : Convex mirrors

Reason: (a) Image is formed virtual and erect always

(b) Image formed is always diminished in size, so it covers large view area

(ii) Shaving mirrors: Concave mirrors

Reason: (a) Image formed is larger in size so as to see clearly details of the object.

(b) Image formed is virtual and erect when object is placed close to the mirror.

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