JEE Physics · Medium

Fluid Mechanics: Torricelli's Theorem MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Torricelli's TheoremMediumQuestion 30925

Question

Velocity of efflux from a hole at depth h below the surface of a liquid is:
  1. A
    √(gh)
  2. B
    √(2gh)
    Correct
  3. C
    2√(gh)
  4. D
    gh

Correct answer

√(2gh)

Explanation

Torricelli's theorem: v = √(2gh). Derived from Bernoulli's equation between surface and hole.