Solution:
Given,
refractive index of air
refractive index of lens
refractive index of ethanol
When light passes from air to lens it bends more and when it passes from ethanol to lens it bends less and vice-versa. The diffrerence in the refractive index is more for air-lens interface and the difference is less in case of ethanol-lens interface.
15. A lens is placed in air and then submerged in ethanol. Draw the path of...
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