Question

(i)Name the device used to convert : (a) Solar energy into heat (b) Solar energy into el ectricity (ii) Mention two limitations of solar energy.

Answer 1

1 st answer is solar collector

2 nd answer is solar cell

There cost is too much that everyone cannot afford it

If they get damaged they can't be repaired

Answer 2

(i) Solar cooker
(ii) Solar cell or photovoltaic technology.
Limitations to solar energy:
-Solar cooker can't be used at night because of absence solar energy.
-There is a need to change the direction of the reflectors so that radiations should fall on solar cooker.