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Online Tests
11th Class Part 1 Physics Chapter 6 Test Online MCQs With Answers
Question # 1
Venturimeter is used ot measure.
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Speed of fluid
Pressure of fluid
Volume of fluid
Mass of fluid
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Question # 2
The device used for measurement of liquid flow is.
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Manometer
Barometer
Hydrometer
Venturimeter
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Question # 3
Stoke's law holds for bodies having.
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Spherical shape
Oblong shape
Rectangular shape
All shapes
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Question # 4
The density of blood is nearly equal to.
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Air
Milk
Honey
Water
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Question # 5
the systolic pressure of normal healthy person is.
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120 torr
130 torr
115 torr
110 torr
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Question # 6
If the stream lines of fluid are forced closer together then.
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Speed of the fluid increases
Speed of the fluid decreases
Pressure of the fluid increases
Speed of the fluid remain same
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Question # 7
The drag force increases as the speed of object
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Become zero
Decreases
Increases
Remains constant
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Question # 8
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
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Question # 9
The terminal velocity can be obtained by using
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Newton's law
Stock's law
Guass's law
None of these
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Question # 10
If the radius of droplet becomes half, then its terminal velocity will become.
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Double
Half
One fourth
Remains same
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Question # 11
A
1
b
1
= A
2
b
2
represents
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Stock's law
Newton's law
Equation of continuity
Brenoulli's equation
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Question # 12
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
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Question # 13
A fog droplets are in freely falling condition,. the ratio of their radii is 2:3, the ratio of their terminal velocities will be.
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2:3
4:6
4:9
9:4
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Question # 14
Viscosity is represented by Greek letter
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Question # 15
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
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Question # 16
Air blows from
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High pressure to low pressure
Low pressure to high pressure
Low temperature to high temperature
High temperature to low temperature
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Question # 17
The fluid is said to be incompressible, if its density is.
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Zero
Very high
Constant
Very small
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Question # 18
The law of conservation of mass gives.
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Beronoulli's
Venturi relation
Torricelli's theorem
Equation of continuity
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Question # 19
The lower reading of blood pressure is called.
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Systolic pressure
Diastolic pressure
Normal pressure
Non normal pressure
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