Mention the purpose of blacking the inte...

Mention the purpose of blacking the interior of a solar cookar.

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In solar cooker

electricity is used to cook food

chemical energy is converted to electrical energy

radiation from the sun is used to cook food

heat energy is converted light energy

In the interior of the Earth

The temperature falls with increasing depth

The pressure falls with increasing depth

The temperature rises with increasing depth

Both temperature and pressure fall with increasing depth

A solar cell

converts the radiant energy of sun into electrical power.

converts the radiant energy of sun into heat.

reflects all the light from sun.

absorbs energy and converts into sound energy.