Why is the solar cooker painted black from inside?

Black colour absorbs more heat than other coloured objects.

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Black colour reflects more heat than other coloured objects.

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Black colour emits heat of its own.

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Black colour gives more strength to the cooker.

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Solution

The correct option is A
Black colour absorbs more heat than other coloured objects.

A black surface absorbs more heat as compared to white or any reflecting surface under identical conditions. This helps is absorbing more heat as compared to other coloured objects.

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Similar questions

Q. Two students made box-type solar cookers separately. They both painted the insulated box with black colour from inside, the cooking pots were painted black from outside, and a plane mirror reflector was also attached. One of the students covered the solar cooker box with a transparent glass sheet but the other student covered the solar cooker box with a transparent plastic sheet. Which of the two solar cookers will be more efficient and why?

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Why refrigerator is always painted white from inside???

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Why is the solar cooker painted black from inside?

The correct option is A Black colour absorbs more heat than other coloured objects. A black surface absorbs more heat as compared to white or any reflecting surface under identical conditions. This helps is absorbing more heat as compared to other coloured objects.

The correct option is A
Black colour absorbs more heat than other coloured objects.

A black surface absorbs more heat as compared to white or any reflecting surface under identical conditions. This helps is absorbing more heat as compared to other coloured objects.