Any teacher please help me
please give me some MCQ based questions of chemistry class 8
please with answers
please teachers or stars help me
Answers
Question 1.
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
(a) Zero
(b) πr
(c) 2r
(d) 2πr
Question 2.
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
(a) ulg
(b) u2l2g
(c) u2lg
(d) ul2g
Question 3.
The numerical ratio of displacement to distance for a moving object is
(a) always less than 1
(b) always equal to 1
(c) always more than 1
(d) equal or less than 1
Question 4.
If the displacement of an object is proportional to square of time, then the object moves with
(a) uniform velocity
(b) uniform acceleration
(c) increasing acceleration
(d) decreasing acceleration
Question 5.
From the given υ – t graph, it can be inferred that the object is
MCQ Questions for Class 9 Science Chapter 8 Motion with Answers 1
(a) in uniform motion
(b) at rest
(c) in non-uniform motion
(d) moving with uniform acceleration
Question 6.
Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 ms-1 It implies that the boy is
(a) at rest
(b) moving with no acceleration
(c) in accelerated motion
(d) moving with uniform velocity
Question 7.
Area under a υ -1 graph represents a physical quantity which has the unit
(а) m2
(b) m
(c) m3
(d) ms-1
Question 8.
Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in the adjacent figure. Choose the correct statement.
MCQ Questions for Class 9 Science Chapter 8 Motion with Answers 2
(a) Car A is faster than car D.
(b) Car B is the slowest.
(c) Car D is faster than car C.
(d) Car C is the slowest.
Question 9.
Which of the following figures correctly represents uniform motion of a moving object?
MCQ Questions for Class 9 Science Chapter 8 Motion with Answers 3
Question 10.
Slope of a velocity-time graph gives
(a) the distance
(b) the displacement
(c) the acceleration
(d) the speed
Answer:
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Explanation:
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