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Q.

The lens formula is __________.

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a

f = 1/u - 1/v

b

f = 1/v - 1/u

c

1/f = 1/v - 1/u

d

1/f = 1/u - 1/v

answer is A.

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Detailed Solution

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The lens formula is 1f=1v-1u

Where,

u = object distance

v = image distance

and f = focal length

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