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  • The rate of flow of water through a tube of radius 2 mm is 8 cm/s. Under similar conditions, the rate of flow of water through a tube of radius 1 mm will be (1) 32 cm/s (2) 2 cm/s (3) 1 cm/s(4) 0.5 cm/s​

The rate of flow of water through a tube of radius 2 mm is 8 cm/s. Under similar conditions, the rate of flow of water through a tube of radius 1 mm will be (1) 32 cm/s (2) 2 cm/s (3) 1 cm/s(4) 0.5 cm/s​

Answers (1)

By equation of continuity

a_1v_1=a_2v_2

\pi(2^2)\times8=\pi (1^2)v_2\\\\v_2=32cm/s

Posted by

Safeer PP

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