Question

An object is placed at a distance of 25cm away from a converging mirror of focal length 20cm discuss the the effect on the nature and position of its image if the position of object change from 25 to 15 CM justify your answer without using mirror formula

Answer 1

Answer:

given : f = 20 cm

c = 40 cm

the mirror is concave as it is

a converging mirror

sol: u1 = 25 cm

this distance is between focus and

centre of curvature, so image will be

real, inverted and enlarged formed

beyond centre of curvature.

u2 = 15 cm

this distance is between focus and

pole, so image will be virtual

erect and enlarged formed behind

the mirror.

Answer 2

Answer:

u1=25cm

U2=15cm

Explanation:

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