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5.26* Determine the focal length in air of a thin biconcave lens having equal radii of...

5.26* Determine the focal length in air of a thin biconcave lens having
equal radii of curvature of 12.5 cm and an index of 1.5. What will
happen to the focal length of this lens we submerge it in carbon disulfide
(n = 1.628)?

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Answer #1

When lens is submerged in carbon disulfied then light diverges at other side as compare to first case.

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