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Physics Class 11 - Chapter 6
Fluid DynamicsTest - 5
1.
For normal health person the diastolic pressure is?
a) 80 torr
b) 75-80 torr
c) 120 torr
d) 90-100 torr
2.
When fluid is incompressible then?
a) Volume of the fluid is constant
b) Flow of the fluid is constant
c) Density of the fluid is constant
d) Velocity of the fluid is constant
3.
A chimney works best when it is?
a) Moving slowly
b) Moving
c) Stationary
d) Moving fast
4.
Terminal velocity of the body is directly proportional to the?
a) Radius of the body
b) Square of the diameter of the body
c) Size of the body
d) Diameter of the body
5.
Venturimeter is a device to measure the?
a) Volume of the fluid
b) Speed of the fluid
c) All of these
d) Mass of the fluid
6.
Drag force is given by?
a) Newton’s law
b) Stokes law
c) Pascal’s law
d) Gauss’s law
7.
Terminal velicity is given by?
a) V=2gr
2
/np
b) V=gr
2
p/n
c) V=2gr
2
p/9p
d) V=9gr
2
p/2p
8.
All fluid have energy?
a) Potential energy
b) All of these
c) Kinetic energy
d) Pressure energy
9.
The flow of ideal flow is always?
a) Streamline
b) Turbulent
c) Irregular
d) Linear
10.
Instrument used to measure blood pressure is called?
a) Sphygmomanometer
b) Barometer
c) Venturimeter
d) Sonometer
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