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| 1. |
the focal length of a thin lens in vaccum is f. If the material of the lens has μ= 3/2, its focal length when immersed in water of refractive index 4/3 will b |
| Answer» the focal length of a thin lens in vaccum is f. If the material of the lens has μ= 3/2, its focal length when immersed in water of refractive index 4/3 will b | |