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4 A thin liquid convex lens is formed in...

4 A thin liquid convex lens is formed in glass. Refractive index of liquid 4/3 is and that of glass is 3/2 If 'f' is the focal length of the liquid lens in air its focal length and nature in the glass is

A

f, convex

B

f, concave

C

2f, concave

D

3f, concave

Text Solution

Verified by Experts

The correct Answer is:
D
`f^(1)/f=(mu_(lens)-1)/(mu_(lens)/mu_(liq) -1)`
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