Take two plates A and B of same metal. Polish surface of A with black colour and surface
of B with white colour. Take one electric heater and put polished black plate and white
plate on vertical stand in such a way that polished black plate and white plate face the
heater. Ensure that polished plates are equidistant from the heater. Fix one cork each with
wax on the uncoated sides (back side) of the plates. Observe and comment which surface
absorbs heat radiations more quickly; Black Plate Surface or White Plate Surface.
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Answer:
Black color plate is the answer
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