A coin is kept at bottom of an empty beaker. A travelling microscope is focused on the coin from top, now water is poured in beaker up to a height of 10 cm. By what distance and in which direction should the microscope be moved to bring the coin again in focus
Text Solution
Verified by ExpertsThe correct answer is:
C
When water is poured in the beaker. Coin appears to shift by a distance 
Hence to bring the coil again in focus, the microscope should be moved by 2.5 cm in upward direction.
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