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Published on: 29/08/2019
Motion
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Questions + Answers key
Take MCQ Science Test
1.
In the equation: \(s=u+\frac { 1 }{ 2 } at^{ 2 }\quad \)s stands for distance covered in
t seconds
(t-1) seconds
(t+1) seconds
t th second
2.
The initial velocity of a body is u.It is under uniform acceleration a its velocity v at any time t is given by
\(v=u+at^{ 2 }\)
\(v=u+\frac { 1 }{ 2 } at^{ 2 }\quad \)
v = u + at
v = u
3.
A car goes from town A to another town B with a speed of 40 km/h and returns back to the town A with a speed of 60 km/h The average speed of the car during the complete journey is
48 km/h
50 km/h
zero
none of these
4.
\(m/s^{ -2 }\) is the SI unit of
distance
displacement
velocity
acceleration
5.
The SI of velocity is
\(ms^{ -1 }\)
\(ms^{ -2 }\)
\(ms^{ -3 }\)
\(Nm^{ -1 }\)
6.
Displacement is a .......... quantity and distance is a ..................... quantity
7.
What is the SI unit of displacement?
1.
(a)
t seconds
2.
(c)
v = u + at
3.
(a)
48 km/h
4.
(d)
acceleration
5.
(a)
\(ms^{ -1 }\)
6.
7.
( )
The SI unit of displacement is meter (m).
9th Standard CBSE Syllabus & Materials
9th Standard CBSE
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CBSE 9th Standard CBSE Subjects
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