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Formula for Water Potential

When water fa...

Question

When water falls from a tap the velocity of falling water under the action of gravity will increase and the cross section of the water stream will decrease i.e., the falling stream of water becomes narrower.It is based on :

A

Principle of continuity

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B

Bernoullis theorem

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C

Law of conservation of energy

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D

Law of conservation of linear momentum.

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Solution

The correct option is B Principle of continuity
According to principle of continuity : $A v = c o n s t a n t$
Thus decreasing the cross section area of the water stream will increase the velocity of water stream.

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