Multiple choice

A boy was trying to read the thermometer by holding its bulb. His father told him that this method is incorrect and advised him not to hold the bulb of the thermometer while reading it. Why is it so?

  1. The bulb will break off easily.

  2. Mercury will come down to the bulb.

  3. It will give a wrong reading.

  4. The boy’s body temperature will increase by holding the bulb.

  5. The bulb may get dislogged.

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

It will give a wrong reading as the temperature of the fingers will also affect the mercury.