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11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
Work is a
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Scalar quantity
Vector quantity
Basic quantity
None of these
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Question # 2
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Question # 3
the work done in isochoric process is.
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Constant
Variable
Zero
Depend upon condition
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Question # 4
When temperature of source and sink of a heat engine becomes equal then the entropy change will be.
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zero
Minimum
Maximum
Negative
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Question # 5
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 # 6
A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is.
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5 N
500 N
50 N
5000 N
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Question # 7
The speed of sound is greater in solids due to their high.
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Density
Pressure
Temperature
Elasticity
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Question # 8
A wheel of radius 50 cm having an angular speed of a rad /s have linear speed.
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1.5 m/s
3.5 m/s
2.5 m/s
4.5 m/s
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Question # 9
Waves transport energy without transporting
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Matter
Force
Momentum
All of these
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Question # 10
According to Newton's formula, the speed of sound in air at STP is
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332 ,ms-1
340 ms-1
350 ms-1
280 ms-1
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Question # 11
the change in internal energy is defined as
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Q - W
Q-T
Q + P
Q - P
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Question # 12
Close orbiting satellites orbit the earth at a height of about
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400 km
4000 km
400 m
400 cm
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Question # 13
The distance between two consecutive crest is called.
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Displacement
Amplitude
Wave front
Wavelength
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Question # 14
Head to tail rule is used for
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Addition of vectors
Subtraction of vectors
Multiplication of vectors
Division of vectors
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Question # 15
The Newton's formula for the speed of sound in air is
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Question # 16
The angle between x-axis, y-axis and z-axis is
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45°
60°
75°
90°
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Question # 17
As we go from pole to equator of earth, the value of 'g'
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Increase
Decrease
Remain constant
Zero
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Question # 18
Young in 1801 performed experiment for the first time about
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Interference
Diffraction
Polarization
Particle nature of light
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