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

(b) a cloudy day.

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 kit can not reach the earth.

Hence, in the absence of the sun’s heat, a solar water heater can not work.

  1. Class 10
  2. Chapter 14 Class 10 - Sources of Energy

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.