Physics: What is the use of Black Painted Surface in a Solar Cooker?

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Solar cooker boils the food by absorbing heat from solar energy.

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Black colour painted cooker can absorb more heat energy and does not allow the heat to escape outside.

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Pots and pans used in a solar cooker should be bleached with black to absorb heat.

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Black surfaces are outstanding absorbers of radiation and help in imprisoning more heat inside a cooker, enhancing the coherence of the solar cooker.

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It is a good conductor of radiation that absorbs more heat.

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The interconnection between the light energy and the recipient material transforms light energy into heat energy.

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The transformation is enabled by using materials that direct and preserve the food's heat.

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