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A man bought a device X which could cook...

A man bought a device X which could cook pulses, vegetables and rice without using any fuel like wood, coal, kerosene or LPG, etc. The device did not work at night. It also took a lot of time for cooking.
(a) Name the device X.
(b) What is the source of energy which cooks food in this device ?
(c ) What is the name of the process which traps energy in this device ?
(d) State one advantage (other than saving on fuel) of using such a device for cooking food.

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Verified by Experts

The correct Answer is:
(a) Solar cooker (b) Sun (c ) Greenhouse effect (d) It does not cause air pollution
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