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Question-1
Which of the following is a vector quantity?
(A)
Acceleration
(B)
Velocity
(C)
Both (a) and (b)
(D)
Speed
Question-2
The S.I unit of speed is:
(A)
m/s
2
(B)
m/s
(C)
cm/s
(D)
ms
Question-3
Sound travels faster in:
(A)
Solids
(B)
Liquids
(C)
Gases
(D)
Vacuum
Question-4
Change in velocity with time is called:
(A)
Acceleration
(B)
Speed
(C)
Force
(D)
Momentum
Question-5
The unit for the rate of change of velocity will be:
(A)
m/s
(B)
m/s
2
(C)
m-s
(D)
N/s
Question-6
Speed of an object can be calculated from a:
(A)
Velocity/ time graph
(B)
Distance/time graph
(C)
Time/distance graph
(D)
Acceleration/time graph
Question-7
Speed is a:
(A)
Scalar quantity
(B)
Fundamental quantity
(C)
Vector quantity
(D)
Cannot be predicted
Question-8
Vector quantity is having:
(A)
Only magnitude
(B)
Only direction
(C)
Both magnitude and direction
(D)
Cannot be predicted
Question-9
Velocity is a:
(A)
Scalar quantity
(B)
Fundamental quantity
(C)
Vector quantity
(D)
cannot be predicted
Question-10
Which of the following slows down moving objects?
(A)
Air resistance
(B)
Friction
(C)
Water resistance
(D)
All the above
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Cambridge Secondary Grade 8
IGCSE
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