Ap Eapcet
Ray Optics
AP EAPCET 2022 - 5th July Morning Shift
MCQ+1 / -02022
A needle is lying at the bottom of a water tank of height 12 cm. The apparent depth of the needle measured by a microscope is 9 cm . If the water is replaced by a liquid of refractive index of 1.5 of same height, the distance through which the microscope has to be moved to focus the needle again is