Physics Past Paper Questions

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Q 231:A change in position is called:
A
Speed
B
Velocity
C
Displacement
D
Distance
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Q 232:Complete the equation Fy/Fx = ___________:
A
Tanθ
B
Sinθ
C
Cosθ
D
Cosecθ
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Q 233:For free falling bodies, have acceleration equal to:
A
6 x 1024 ms-2
B
6.67 x 10-11 ms-2
C
10 ms-2
D
6.4 x 106 ms-2
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Q 234:Mercury is _______ times heavier than water:
A
13.6
B
14.6
C
15.6
D
16.6
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Q 235:Newton's first law of motion is valid only in the absence of:
A
Force
B
Net Force
C
Friction
D
Momentum
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Q 236:Rate of doing work is called:
A
Energy
B
Torque
C
Power
D
Momentum
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Q 237:Rate of flow of heat through conductor is inversely proportional to its:
A
Area
B
Length
C
Temperature
D
Time
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Q 238:Rooms are heated using gas heaters by:
A
Conduction
B
Convection and radiation
C
Radiation
D
Convection
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Q 239:T(K) = _____________:
A
273 - C
B
273 + C
C
273 + F
D
273 - F
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Q 240:The efficiency of solar cell is:
A
3%
B
6%
C
9%
D
12%
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Total MCQs: 745Page 24 of 75
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