Multiple choice

In an electric water filter, which of the following is used to kill all the harmful germs present in the tap water?

  1. Ultraviolet radiations

  2. X-rays

  3. Gamma radiations

  4. Infrared radiations

  5. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option. In an electric water filter, ultraviolet radiations are used to kill all the harmful germs present in the tap water.