Question

An object is placed at distance 'a' from the focus and
image is formed at distance 'b' from the focus of a concave
mirror.The focal length of the mirror is -
ka
o
f
I
kb
ab
O
4
ab
O
3
Vab​

Answer 1

Explanation:

An object is placed at distance 'a' from the focus and

image is formed at distance 'b' from the focus of a concave

mirror.The focal length of the mirror is -

ka

o

f

I

kb

ab

O

4

ab

O

3

Vab

Answer 2

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