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Grade: 9
        A fish under water observes a freely falling stone in air. If The refracting index of water is 4/3 what is the apparent acceleration of the stone as observed by the fish. Please give a detailed explanation. 
7 years ago

Answers : (1)

Umang Singla
24 Points
							Under normal circumstances, the acceleration is 9.8m/s2 `because it`s a free fall.In water, the velocity of light reduces by 1.33 times as the refractive index of water is 4/3. So the apparent acceleration would be 1.3 times less or 9.8/1.3 = 7.36m/s2
						
2 years ago
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