Question

THE IMAGE FORMED BY CONVEX MIRROR IS OF FOCAL LENGTH IS 20 CM IS QUATER OF THE OBJECT WHAT IS DISTANCE

Answer 1

Answer:

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Explanation:

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Answer 2

V = _U/4

U = _4V

F = +20

...

1 1 1

___ + ___ = ___

v u f

u +v = uv

___

f

_4v +v = _4v ×v / 20

20 × _3v = _4v²

4v² _60v =0

2v ( 2v _30 ) = 0

v =0 , v = 15 ....

object distance = _4×15 = _60 cm

image distance = 15 cm