A horizontal pipe of cross-sectional diameter 5 cm carries water at velocity of $4{\rm{m}}{{\rm{s}}^{ - 1}}$. The pipe is connected to a smaller pipe with a cross-sectional diameter 4 cm. the velocity of water through the smaller pipe is

$6.25{\rm{m}}{{\rm{s}}^{ - 1}}$

$2.56{\rm{m}}{{\rm{s}}^{ - 1}}$

NEET UG PHYSICS MCQ: MECHANICAL PROPERTIES OF FLUIDS

1 Medium

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Application +4 | -1

A horizontal pipe of cross-sectional diameter 5 cm carries water at velocity of

4\mathrm{m}{\mathrm{s}^{ - 1}}

. The pipe is connected to a smaller pipe with a cross-sectional diameter 4 cm. the velocity of water through the smaller pipe is

View answer and explanation

Correct option: A

6.25\mathrm{m}{\mathrm{s}^{ - 1}}

Option A (

6.25\mathrm{m}{\mathrm{s}^{ - 1}}

) is correct because it is calculated using the principle of continuity (A1V1 = A2V2).

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