A water tank appears shallower when it is viewed from top due to

(A) rectilinear propagation of light

(B) reflection

(C) total internal reflection

(D) refraction

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1 Answers

(D) refraction

This phenomenon is because of refraction of light. The lines of sight intersect at a higher position than where the actual rays originated. This causes the water to appear shallower than it really is

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