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2 identical glass Ug=3/2 equiconvex lenses of focal length f are kept in contact.the space between the two lenses is filled with water Uw=4/3.the focal length of the combination is

2 identical glass Ug=3/2 equiconvex lenses of focal length f are kept in contact.the space between the two lenses is filled with water Uw=4/3.the focal length of the combination is 

Grade:12

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
Hii

You can use the lens maker formula in this with proper sign convention in order to get the final answer.

You will get the radius of curvature from there you can find out the value of focal length

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