When the heat rays from the sun area focused on a piece of
black cloth by means of a lens, the cloth catches fire. Why ?
Answer / guest
It is because the heat radiations obey the laws of refraction.
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When the heat rays from the sun area focused on a piece of black cloth by means of a lens, the cloth catches fire. Why ?
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1 Answers Clariant, MIU, Torrent Pharma,
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