Question # 1

The lower reading of blood pressure is called.

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Systolic pressure

Diastolic pressure

Normal pressure

Non normal pressure

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

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Double

Half

One fourth

Remains same

1 torr in Nm-2 is expressed as.

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130.5 Nm-2

133.3 N m-2

140.2 Nm-2

135.2 Nm-2

The terminal velocity of a droplet falling down under gravity is directly proportional to the square of

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Its density

Its radius

Its viscosity

Its elasticity

The dimension of pgh has same as that of

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Work

Energy

Pressure

Mass

The unsteady flow of a fluid is called

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Stream line

Turbulent flow

Average flow

Viscous flow

The dimension of viscosity are

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[M2L-2T2]

[M-1LT-1]

[M-1L-1T]

[ML-1T-1]

The diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

The study of fluid dynamics is

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Easy

Complicated

Impossible

None of these

Let A = Area of cross section of pipe, v = speed of fluid, then 'Av' is called.

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Volume flow rate

Energy flow rate

Mass flow rate

Pressure flow rate

The SI units of flow rate are.

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m2s-1

m3s-2

m3s-1

m2s-2

The device used for measurement of liquid flow is.

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Manometer

Barometer

Hydrometer

Venturimeter

The concentration of red blood cells in the blood is nearly.

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40%

60%

25%

50%

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Physics English Medium Fsc Part 1 Chapter 6 Online MCQs Test MCQs With Answers

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