A. 0.2ms−¹
B. 0.5ms−¹
C. 5.0ms−¹
D. 10.0ms−¹
E. 20.0ms−¹

Correct Answer:

Option C – 5.0ms−¹

SEE ALSO  A boy observes a piece of stone at the bottom of a river 6.0m deep. If he looks from the surface of the river. What is the apparent distance of the stone from him? [Refractive Index of Water = 4/3]

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