An ideal fluid flows through a pipe of circular cross-section made of two sections with diameters 2.5cm and 3.75cm. The ratio of the velocities in the two pipes is
A
9:4
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B
3:2
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C
√3:√2
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D
√2:√3
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Solution
The correct option is D9:4 According to equation of continuity A1v1=A2v2