Standard Science Primary 4 Energy

Why can we see ourselves in a clear pond but not in a ripple-filled pond?

A The clear pond has a smooth surface for regular reflection.
B The rippled pond is a light source.
C The rippled pond is translucent.
D The clear pond absorbs more light.
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Worked Solution

Step 1: A clear, still pond has a smooth surface. Step [2-9]: Smooth surfaces reflect light rays in a regular, uniform direction, forming a clear image. Step [2-9]: Ripples cause diffuse reflection where light is scattered in many directions.

Correct answer: The clear pond has a smooth surface for regular reflection.

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