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Lens will be invisible in water (n1.33) when therefractive index of the lens is(1) 1.33(2) Less than 1.33(3) Greater than 1.33(4) All of these |
| Answer» Lens will be invisible in water (n1.33) when therefractive index of the lens is(1) 1.33(2) Less than 1.33(3) Greater than 1.33(4) All of these | |