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 it 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 (Deleted)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo