NEET UG 2019 physics questions with solutions

Showing 1–2 of 2 questions

• MCQmediumProperties of solid and fluidSurface Tension, Surface Energy and Their Applications

  A soap bubble of radius 1 mm is formed with detergent surface tension 2.5 × 10⁻² N/m. Its internal pressure equals the pressure of water at depth Z₀ below a free water surface. Take g = 10 m/s² and ρwater = 10³ kg/m³. Find Z₀.

  Options

  • Option A

    100 cm

  • Option B

    10 cm

  • Option C

    1 cm

  • Option D

    0.5 cm

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• MCQmediumFluid MechanicsEquation of Continuity and Bernoulli's Principle

  A small hole of cross-sectional area 2 mm² is near the bottom of a fully filled open water tank of depth 2 m. Taking g = 10 m/s², find the approximate volume flow rate out of the hole.

  Options

  • Option A

    12.6 × 10⁻⁶ m³/s

  • Option B

    8.9 × 10⁻⁶ m³/s

  • Option C

    2.23 × 10⁻⁶ m³/s

  • Option D

    6.4 × 10⁻⁶ m³/s

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