WBCS.LIVE practice question

A hydrogen balloon floats up, because of:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Air pressure decreases with decrease in height
  2. Air pressure decreases with decrease in weight
  3. Weight of the balloon is less than the weight of air displaced by it
  4. The pressure inside the balloon is more than the pressure outside it

Correct answer and explanation

Correct answer: Weight of the balloon is less than the weight of air displaced by it