Physics Past Paper Questions

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Q 261:In Einstein's mass-energy equation, c is the:
A
Speed of sound
B
Speed of light
C
Speed of electron
D
Speed of earth
Gujranwala, 2018
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Q 262:In which of the following states of matter, molecules do not leave their position?
A
solid
B
liquid
C
gas
D
plasma
Gujranwala, 2018
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Q 263:Momentum is the product of mass and
A
Speed
B
Velocity
C
Work
D
Acceleration
Gujranwala, 2018
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Q 264:Number of states of equilibrium is
A
2
B
3
C
4
D
5
Gujranwala, 2018
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Q 265:SI unit of torque is
A
Ns
B
Nm
C
pascal
D
Watt
Gujranwala, 2018
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Q 266:The distance between the earth and the moon is nearly:
A
3,70,000 km
B
3,80,000 km
C
3,90,000 km
D
4,80,000 km
Gujranwala, 2018
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Q 267:The formula for conersion of Celsius scale of temperature into Kelvin scale is
A
T(k) = 273+oC
B
T(k) = 373+oC
C
T(k) = 273+oF
D
T(k) = 373+oC
Gujranwala, 2018
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Q 268:The kinetic energy of a body of mass 2 kg is 25 J. Its speed is
A
5 ms-1
B
12.5 ms-1
C
25 ms-1
D
50 ms-1
Gujranwala, 2018
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Q 269:The relation between a coefficient of volume expansion and coefficient of linear thermal expansion is
A
β = 2α
B
β = 3α
C
α = 2β
D
β = 4α
Gujranwala, 2018
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Q 270:The work done will be zero when the angle between the force and the distance is:
A
9o
B
45o
C
6o
D
18o
Gujranwala, 2018
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Total MCQs: 745Page 27 of 75
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