For water emerging from a small sharp-edged hole situated metres below the free…

PHYSICS · Single correct · CBSE · Physics · Mechanical Properties of Fluids · Mechanical Properties of Fluids

Problem

For water emerging from a small sharp-edged hole situated

h

metres below the free surface in an open tank, which of the following gives the magnitude of the exit speed

v

? (a)

v = \sqrt{gh}

(b)

v = \sqrt{2gh}

(c)

v = 2\sqrt{gh}

(d)

v = \sqrt{\dfrac{gh}{2}}