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A convex lens if in contact with concave...

A convex lens if in contact with concave lens. The magnitude of the ratio of their focal length is `(2)/(3)`. Their equivalent focal length is 30 cm. What are their individual focal lengths?

A

`-75,50`

B

`-10,15`

C

`75,50`

D

`-15,10`

Text Solution

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The correct Answer is:
d
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