Question

Which of the following statements is correct about drinking water with a straw?

• A. The pressure inside the straw is less than the pressure outside.
• B. The pressure inside the straw is more than the pressure outside.
• C. The pressure inside the straw is equal to the pressure outside.
• D. We cannot say anything about the pressure inside the straw.

Answer 1

The correct option is A The pressure inside the straw is less than the pressure outside.

A fluid always flows from a high-pressure region to a low-pressure region. Hence, the pressure inside the straw is less than the pressure outside.