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MCQEasyJEE Main 2025 · 22 January, Shift 2Streamline & Turbulent Flow, Critical Velocity

Physics Question from JEE Main 2025 · 22 January, Shift 2

A tapered tube is shown with water entering from the wider left end marked point 1 and leaving from the narrower right end marked point 2, with arrows indicating flow direction.

A tube of length LL is shown in the figure. The radius of cross section at point (1) is 2 cm2 \, \text{cm} and at the point (2) is 1 cm1 \, \text{cm}, respectively. If the velocity of water entering at point (1) is 2 m/s2 \, \text{m/s}, then velocity of water leaving the point (2) will be:

  • A

    4 m/s4 \, \text{m/s}

  • B

    6 m/s6 \, \text{m/s}

  • C

    8 m/s8 \, \text{m/s}

  • D

    2 m/s2 \, \text{m/s}

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