Question

An inflated balloon is floating on the surface of water. It is pushed so as to submerge completely and then released. It will _________.

• A. sink to the bottom
• B. come back to its earlier position
• C. remain submerged at the same place
• D. first sink to the bottom and then come up

Answer 1

The correct option is B come back to its earlier position

Balloon has high volume, so it will have high buoyancy force compared to its weight, the balloon will rise-back to its original position.

$F_{buoyancy}=V_{body}{\rho }_{liquid}g$