A microscope is focussed on a coin lying at the bottom of a beaker. The microscope is now raised up by `1 cm`. To what depth should the water be poured into the beaker so that coin is again in focus ? (Refration index of water is `4//3`)A. 1 cmB. `4/3 cm `C. 3 cmD. 4 cm

A microscope is focussed on a coin lying at the bottom of a beaker. Th

1.	A microscope is focussed on a coin lying at the bottom of a beaker. The microscope is now raised up by `1 cm`. To what depth should the water be poured into the beaker so that coin is again in focus ? (Refration index of water is `4//3`)A. 1 cmB. `4/3 cm `C. 3 cmD. 4 cm
Answer» Correct Answer - b

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A microscope is focussed on a coin lying at the bottom of a beaker. The microscope is now raised up by `1 cm`. To what depth should the water be poured into the beaker so that coin is again in focus ? (Refration index of water is `4//3`)A. 1 cmB. `4/3 cm `C. 3 cmD. 4 cm

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