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A convex lens of focal length 25 cm and ...

A convex lens of focal length 25 cm and a concave lens of focal length 10 cm are joined together. The power of the combination will be

A

`-16 D`

B

`+ 16 D`

C

`- 6 D`

D

`+ 6 D`

Text Solution

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The correct Answer is:
c
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