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Class 10 Science Medium Mcq English Medium

Why does the bottom of a water-filled tank or pond appear to be raised when viewed from above?

Question
Why does the bottom of a water-filled tank or pond appear to be raised when viewed from above?
Because the water evaporates and shrinks the tank
Due to refraction of light at the water surface
Because the tank material itself moves
Because of reflection of light only, with no refraction involved
Answer
Due to refraction of light at the water surface
Detailed Explanation
The chapter explains this apparent raising of the tank's bottom as a common everyday example of refraction of light.
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