Question

Solar cooker takes more time as compared to the LPG to boil potato or rice, yet Kunal uses solar
cooker for such type of cooking.
(i) Why does Kunal use solar cooker instead of LPG? Give reason for your answer.
(ii) Name the phenomenon which is responsible for obtaining high temperature in solar cooker?
(iii) What is the motivation behind using solar cooker?​

Answer 1

Answer:

A) Because Solar Cooker Uses Non-Renewable Form Of Energy i.e. Solar Energy. It do not cause Pollution.

B) Reflection Of Light.

C) Save Earth.

Answer 2

Answer:

(i) In solar cooker solar energy is used, which is renewable source of energy. Whereas LPG is a non renewable source of energy.

(ii) Black body radiation and green house effect are the phenomenon used for obtaining high temperature.

(iii). Non conservation of energy is the concept behind using solar cooker.