A microscope is focussed on a coil lying at the bottom of a beaker. The microscope is now raised up by 1cm. To what depth should the water be poured in to the beaker so that coin is again in focus (mu_W=4//3)

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

1.	A microscope is focussed on a coil lying at the bottom of a beaker. The microscope is now raised up by 1cm. To what depth should the water be poured in to the beaker so that coin is again in focus (mu_W=4//3)
Answer» 1CM `4//3cm` 3cm 4cm Answer :C