WBCS.LIVE practice question

Two ends of a tube is closed by corks so that the tube become airtight. The pressure of air inside the closed tube is:

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

Answer options

  1. Very small
  2. Slightly less than the atmospheric pressure
  3. Equal to the atmospheric pressure
  4. Dependent on the length of the tube

Correct answer and explanation

Correct answer: Equal to the atmospheric pressure