Q

An empty airtight bottle is pushed underwater and rises when released. Why?

RRB Minis. & Iso. Category (Librarian); RRB ALP (Stage-I) 12/09/2025 / Shift I; 26/11/2024 / Shift I 2025; 2024
✓ Answer: C The buoyant force exceeds its weight
When the submerged bottle displaces water weighing more than the bottle, the net force is upward.