Physics

Physics

Problem

A tile is actually 40 cm40\,\text{cm} below the surface of still water. To a person looking vertically down, it appears nearer. By what percentage is the depth underestimated? (Take refractive index of water =1.33=1.33.) a) 43%43\% b) 24%24\% c) 58%58\% d) 33%33\%

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