Standard Science Primary 4 Energy

Which material would be most suitable for the lenses of a pair of sunglasses to protect the eyes from too much glare?

A Translucent plastic
B Clear glass
C Metal
D Opaque plastic
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Worked Solution

Step 1: Sunglasses need to reduce the amount of light entering the eyes. Step 2: Translucent materials allow only some light to pass through. Step 3: This provides visibility while protecting against bright light.

Correct answer: Translucent plastic

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