Question

why the black colour absorbs heat easily??

Answer 1

Moreover, since light is energy, the more light the object absorbs, the more heat it absorbs. A black object absorbs all wavelengths of light and reflects none and that's why it appears black. ... Objects that are white, on the other hand, reflect all wavelengths of light

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Answer 2

A black object absorbs all the wavelength of the lights and reflects none, that is why it is black in colour and consequently it absorbs more heat.

On the other hand, white light is a mixture of seven colours, which reflects the wavelength of the light. So the white colours or the light colours absorbs less heat.