alleryWhich of these is given as an optically transparent material?
APlate glass
BThick cardboard
CFired brick
DFrosted glass
Answer & Solution
Correct answer: A. Plate glass
1. Optically transparent materials transmit much of the light and reflect little.
2. Plate glass and clean water are named examples.
3. Cardboard and brick are opaque, and frosted glass is translucent.
_Source: Wikipedia, Transparency and translucency, Introduction_
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