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Question
A glass concave lens is placed in a liquid whose optical density is equal to that of the glass. Then the lens
A glass concave lens is placed in a liquid whose optical density is equal to that of the glass. Then the lens
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Solution
The correct option is C has no effect on the light
When the lens has an optical density equal to the medium, there will be no change in the speed of light at any point, so it neither diverges nor converges the light. It lets the light pass through it and has no effect on it.
When the lens has an optical density equal to the medium, there will be no change in the speed of light at any point, so it neither diverges nor converges the light. It lets the light pass through it and has no effect on it.
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