Standard Science Primary 4 Energy

Which material would be most suitable for a lampshade that needs to soften the light without blocking it completely?

A Cardboard
B Metal sheet
C Clear glass
D Frosted glass
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Worked Solution

Step 1: Transparent materials (clear glass) let all light through. Opaque (cardboard) let no light through. Step 2: Translucent materials (frosted glass) let some light through, softening it. Step 3: Therefore, frosted glass is best.

Correct answer: Frosted glass

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