5. Why does an electric heater have a mirror fitted behind its heating coil?
a. Mirror is a good conductor of heat
b. Mirror is a bad conductor of heat
c. To improve convection of heat
d. Mirrors reflect heat radiation to the front of the heater
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11
Answer:
Electric room heaters are provided with a curved,polished surface behind the rod like heating element. this polished surface reflects back all the heat radiations falling on it ,concentrating it on forward direction.so that we feel even the heat even if stand a few feet away from the heater.
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Answered by
7
Answer:
Mirror reflects heat radiation to the front of the heater.
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