Question # 1

The diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

When water falls from tap, its cross sectional area decrease due to.

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Decrease of speed

Increase of speed

Air pressure

Gravity increase

The dimension of pgh has same as that of

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Work

Energy

Pressure

Mass

The SI units of flow rate are.

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m2s-1

m3s-2

m3s-1

m2s-2

Blood pressure is measured by

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Hydrometer

Barometer

Sphygmomanometer

Galvanometer

Stoke's law holds for bodies having.

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Spherical shape

Oblong shape

Rectangular shape

All shapes

The lower reading of blood pressure is called.

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Systolic pressure

Diastolic pressure

Normal pressure

Non normal pressure

Torricelli's theorem is given by

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The product of cross sectional area of a pipe and speed of fluid along the pipe is

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Zero

Maximum

Constant

Variable

A 2 meter of high tank is full of water. If a hole appears at its middle, then the speed of efflux is.

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4.4 ms-1

10 ms-1

6.2 ms-1

20 ms-1

Bunsen burner works on the principle of.

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Venturi effect

Terricilli's effect

Bernoulli's effect

None of these

If the radius of droplet becomes half, then its terminal velocity will become.

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Double

Half

One fourth

Remains same

Opted unit to measure blood pressure is.

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N/m2

Pascal

mm of Hg

N.m2

The ratio of the velocities of wate in a pipe lying horizontally at two ends is 1 : 4 The ratio of diameters of pipe at these two ends is.

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1 : 2

2 : 1

1 : 4

4 : 1

The dimensional of potential energy per unit volume are same as that of.

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Work

Pressure

Speed

Density

The law of conservation of energy gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

When body acquires terminal velocity them its acceleration 'a' becomes.

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a = 0

a = g

a > 0

a < 0

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