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PhysicsNEET 2019Bernoulli's principle and its applications

Mechanical Properties of Fluids

A small hole of cross-sectional area 2 mm2^2 is present near the bottom of a fully filled open tank of height 2 m. Taking g=10 m/s2g = 10\ \mathrm{m/s^2}, the rate of flow of water through the open hole would be nearly:

  1. A.12.6×10−6 m3/s12.6 \times 10^{-6}\ \mathrm{m^3/s}✓
  2. B.8.9×10−6 m3/s8.9 \times 10^{-6}\ \mathrm{m^3/s}
  3. C.2.23×10−6 m3/s2.23 \times 10^{-6}\ \mathrm{m^3/s}
  4. D.6.4×10−6 m3/s6.4 \times 10^{-6}\ \mathrm{m^3/s}

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