Question

An object is placed at a distance of 50 cm in front of a convex mirror of focal length 25 cm. What will be its image distance?

Answer 1

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Explanation:

TO FIND:

Image distance from mirror[V].

GIVEN:

Object distance [U]=50cm

Focal length of convex mirror=25cm

Let V be the image distance

So from mirror formula we get;

1/f=1/v+1/u

1/25=1/v+1/(-50)

1/v=1/25+1/50

1/v=6/100

v=100/6

v=16.6cm

Thus,the image formed at a distance of 16.6cm.