Question

A solar water heater cannot be used to get hot water on----
(a) a sunny day
(b) a cloudy day
(c) a hot day
(d) a windy day​

Answer 1

Answer:

B

Explanation:

A solar water heater can only work when it is provided some solar energy. Solar energy is provided by the sun. On a cloudy day, the sun's heat are blocked by the clouds and it can not reach the earth. Hence, in the absence of the sun's heat, a solar water heater can not work.

B.cloudy day

only if it is for a day or two the solar heater is capable of providing warm or luke warm water