A convex lens of refractive index 1.5 is immersed in a liquid of refractive index (i) 1.6 (ii) 1.3 and (iii) 1.5. what changes happens to the focal le

Monjur Alahi

A convex lens of refractive index 1.5 is immersed in a liquid of refractive index (i) 1.6 (ii) 1.3 and (iii) 1.5. what changes happens to the focal length of the lens in the three cases ?


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Salim Ahmed Kawsar

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Correct Answer - (i) - 8f (ii) `+3.25f` (iii) `oo`

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