Question

The relation between focal length of a lens (f), object distance (u) and image distance (v)

is given by​

Answer 1

Answer:

The focal length (f), object distance (u) and image distance (v) for a mirror according to mirror equation are related as f^-1=u^-1 + v^-1.

Explanation:

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Answer 2

Answer:

$\frac{1}{f} = \frac{1}{v} - \frac{1}{u}$

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