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Question-1
Speed is a:
(A)
Scalar quantity
(B)
Fundamental quantity
(C)
Vector quantity
(D)
Cannot be predicted
Question-2
If the velocity of a body does not change, its acceleration is:
(A)
Zero
(B)
Infinite
(C)
Unity
(D)
Negative
Question-3
The velocity of a body at rest is always:
(A)
Unity
(B)
Negative
(C)
Zero
(D)
Infinite
Question-4
Which of the following is a vector quantity?
(A)
Acceleration
(B)
Velocity
(C)
Both (a) and (b)
(D)
Speed
Question-5
Air resistance helps:
(A)
To stop a parachute in a short distance
(B)
To stop a moving car
(C)
To stop a moving boat
(D)
All the above
Question-6
Sound travels faster in:
(A)
Solids
(B)
Liquids
(C)
Gases
(D)
Vacuum
Question-7
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-8
The speed of vehicles may be measured in:
(A)
m/s
(B)
km/s
(C)
km/hr
(D)
km.hr
Question-9
Which of the following slows down moving objects?
(A)
Air resistance
(B)
Friction
(C)
Water resistance
(D)
All the above
Question-10
The slope of the displacement time graph gives:
(A)
Speed
(B)
Velocity
(C)
Acceleration
(D)
Retardation
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Cambridge Secondary Grade 8
IGCSE
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