A half filled bucket
Classical Mechanics
Level
2
A bucket is half filled with water. When we glanced at it from the top, does it appear half filled, more than half filled or less than half filled?
More than half filled
Less than half filled
Half filled
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The part of the bucket above water remains same as there is no change in path of light.But the part of the bucket below water appears to be shorter that is it's depth decrease as light travels from denser medium(water) to rarer(air).