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Defects of Vision and Their Correction

A convex lens...

Question

A convex lens has a focal length of $10 c m$ . When it is immersed in water it will behave as

A

A convex lens of

10 c m

focal length

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B

A concave lens of

10 c m

focal length

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C

A convex lens of focal length greater than

10 c m

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D

A convex lens of focal length less than

10 c m

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Solution

The correct option is C A convex lens of focal length greater than $10 c m$

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