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Question 30940
JEE Physics · Hard

Fluid Mechanics: Torricelli's Theorem MCQ

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Torricelli's TheoremHardQuestion 30940

Question

A large open tank has hole at its base. Tank empties faster when:
  1. A
    Hole is smaller
  2. B
    Hole is at top
  3. C
    Water level is higher (larger h)
    Correct
  4. D
    Temperature is lower

Correct answer

Water level is higher (larger h)

Explanation

Efflux speed v = √(2gh). Higher water level means higher h, higher speed, and faster emptying.

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