Multiple choice

Which of the following objects will be the most difficult for a person to hold in his hands if he applies some mustard oil on his hands?

  1. An earthen cup

  2. A glass tumbler

  3. A thermocol tumbler

  4. A wooden cup

  5. None of the above

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

This is the correct option. A glass tumbler will be the most difficult for the person to hold because the oil on the outer surface of the glass tumbler reduces the friction between the glass tumbler and his hands.