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

The correct option is B

a cloudy day

The explanation for correct answer:

1. On a cloudy day, a solar water heater cannot be used to heat water because there is no Sun, which is required for the device to function.
2. Solar energy, which is provided by the sun, is necessary for a solar water heater to function.

Hence, Option (A) is the correct answer.