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Bernoulli's Principle

Water flows t...

Question

Water flows through a frictionless duct with a cross-section varying as shown in fig. Pressure p at points along the axis is represented by

A

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B

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C

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D

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Solution

The correct option is A
When cross section of duct decreases the velocity of water increases and in accordance with Bernoulli's theorem the pressure decreases at that place.

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