Question

Why are the pipes of solar heater and the containers of solar cooker painted black

Answer 1

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☜☆☞ As solar cooker works on the principle of heating of the cooking vessel with the help of solar energy, i.e. , sunlight. So, for heating of vessel the energy absorption rate should be maximum and it can happen only if the color of the vessel will be black. Because, black is the only color that absorb all the visible spectrum wavelenth light. So, black color is highly preferable for solar cooker.

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Answer 2

The pipes of solar heater and the containers of solar cooker is painted black because, it absorbs the sunlight or sun rays.