Standard Science Primary 4 Energy

Which of the following materials would be most suitable for making a bathroom window where privacy is needed but natural light is still desired?

A A sheet of aluminium
B Clear glass
C A wooden plank
D Frosted glass
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Worked Solution

Step 1: The material must allow light to pass through (not opaque). Step [2-9]: The material must scatter light so that objects behind it cannot be seen clearly (translucent). Step [2-9]: Frosted glass is translucent, making it ideal for privacy and light.

Correct answer: Frosted glass

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