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The power of a convex lens of focal leng...

The power of a convex lens of focal length 25 cm is …………… .

A

`+4.0 D`

B

`0.25 D`

C

`-4.0 D`

D

`-0.4 D`

Text Solution

Verified by Experts

The correct Answer is:
A
`+4.0 D`
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