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# Motion : NCERT Exemplar

### ┬á ┬á ┬á ┬á ┬á ┬á ┬á ┬á CLICK HERE to watch the second part

Multiple Choice Questions

Q.1 A particle is moving in a circular path of radius r. The displacement after half a circle would be:

(a) Zero

(b) ¤Ç r

(c) 2 r

(d) 2¤Ç r

Sol.┬á(c)

Q.2 A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,

(a) u/g

(b) u2/2g

(c) u2/g

(d) u/2g

Sol.┬á(b)

Q.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

Sol.┬á(d)

Q.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

Sol.┬á(b)

Q.5 From the given v ÔÇô t graph figure, it can be inferred that the object is (a) In uniform motion

(b) At rest

(c) In non-uniform motion

(d) Moving with uniform acceleration

Sol. (a)

Q.6 Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 m sÔÇô1. It implies that the boy is

(a) At rest

(b) Moving with no acceleration

(c) In accelerated motion

(d) Moving with uniform velocity

Sol. (c)

Q.7 Area under a v ÔÇô t graph represents a physical quantity which has the unit

(a) m2

(b) m

(c) m3

(d) m sÔÇô1

Sol. (b)

Q.8 Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in Figure. Choose the correct statement

(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.

Sol. (b)

Q.9 Which of the following figures represents uniform motion of a moving object correctly? Sol. (c)

Q.10 Slope of a velocity ÔÇô time graph gives

(a) the distance

(b) the displacement

(c) the acceleration

(d) the speed

Sol.┬á(a)

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