Motion in a Straight Line MCQ Questions Class 11 Physics Chapter 3
NCERT MCQ Questions for Class 11 Physics Chapter 3 Motion in a Straight Line. Motion in a Straight Line MCQ Questions with Answers from Class 11 Physics.
Motion in a Straight Line MCQ Questions Class 11 Physics Chapter 3
Motion in a Straight Line Multiple Choice Questions with Answers Class 11 Physics Chapter 3 PDF is available.
Multiple Choice Questions:
1) The change in position of the object with respect to time is called as
a) Velocity
b) Acceleration
c) Motion
d) None
Ans: c) motion
2) Motion of objects along a straight line is also called as
a) Linear motion
b) Simple motion
c) Rectilinear motion
d) None
Ans: c) rectilinear motion
3) The point of intersection of three axes X, Y and Z is called as
a) Origin O
b) Reference point
c) Both a and b
d) None
Ans: c) both a and b
4) The coordinate system along with a clock constitutes
a) Coordinate system
b) Cartesian system
c) Frame of reference
d) None
Ans: c) frame of reference
5) To describe the motion in one dimension we need the set of
a) One variable or axes
b) Two variables or axes
c) Both a and b
d) Three variables or axes
Ans: a) one variable or axes
6) To describe the motion in two dimensions we need the set of
a) One variable or axes
b) Two variables or axes
c) Both a and b
d) Three variables or axes
Ans: b) two variables or axes
7) To describe motion in three dimensions we need the set of
a) One variable or axes
b) Two variables or axes
c) Both a and b
d) Three variables or axes
Ans: d) three variables or axes
8) The total distance travelled by the object without considering its direction of motion is called as
a) Displacement
b) Path length
c) Both a and b
d) None
Ans: b) path length
9) Displacement is the
a) Vector quantity
b) Scalar quantity
c) Tensor quantity
d) None
Ans: a) scalar quantity
10) The magnitude of the displacement _____ equal to the path length traversed by the object.
a) May be
b) May not be
c) Both a and b
d) None
Ans: c) both a and b
11) The magnitude of displacement may be ____ but path length ____.
a) Zero, zero
b) Zero, not zero
c) Not zero, zero
d) None
Ans: b) zero, not zero
12) If the particle is covering equal distance in equal interval of time then motion of particle is called
a) Non uniform motion
b) Uniform motion
c) Both a and b
d) None
Ans: b) uniform motion
13) If a position time graph shows the straight line parallel to X axis then the particle is
a) In uniform motion
b) In non uniform motion
c) Stationery or at rest
d) None
Ans: c) stationery or at rest
14) If a position time graph shows the straight line passing through origin then the motion of the particle is
a) Uniform motion
b) Non uniform motion
c) Both a and b
d) None
Ans: a) uniform motion
15) If the position of the object is changing continuously with time then the motion is called as
a) Uniform motion
b) Non uniform motion
c) Both a and b
d) None
Ans: b) non uniform motion
16) The ratio of change in position or displacement and the time interval is called as
a) Velocity
b) Mean velocity
c) Average velocity
d) None
Ans: c) average velocity
17) The SI unit of displacement is
a) Meter
b) Centimetres
c) Kilometer
d) Millimetre
Ans: a( meter
18) Distance is measured in SI system as
a) Meter
b) Centimetres
c) Kilometers
d) Millimetre
Ans: a) meter
19) Distance is the _____ quantity while displacement is the ____ quantity.
a) Vector, scalar
b) Scalar, vector
c) Both
d) None
Ans: b) scalar, vector
20) The SI unit of velocity is
a) Meter/s
b) Centimetres/s
c) Mm/s
d) None
Ans: a) m/s
21) The slope of the position time graph of an object moving with positive velocity is
a) Zero
b) Positive
c) Negative
d) None
Ans: b) positive
22) The slope of the position time graph of an object moving with negative velocity is
a) Positive
b) Negative
c) Zero
d) Infinity
Ans: b) negative
23) The slope of the position time graph gives the value of
a) Displacement
b) Position
c) Velocity
d) Acceleration
Ans: c) velocity
24) The ratio of total path length and the total time interval required is called as
a) Average velocity
b) Average speed
c) Average acceleration
d) None
Ans: b) average speed
25) The SI unit of the average speed is
a) S/m
b) M/s
c) Both a and b
d) None
Ans: b) m/s
- In case you have missed:- Previous Chapter MCQ Questions
26) If the motion of the object is along the straight line and in the same direction then magnitude of displacement and path length are
a) Not equal
b) Equal
c) Different
d) None
Ans: b) equal
27) When path length and the magnitude of displacement both are equal then
a) Average velocity and average speed are different
b) Average velocity and average speed are also equal
c) Both a and b
d) None
Ans: b) average velocity and average speed are also equal
28) In general, speed is ____ than the magnitude of the velocity.
a) Equal
b) Less
c) Greater
d) None
Ans: c) greater
29) The velocity v at time r is called as
a) Mean velocity
b) Average velocity
c) Instantaneous velocity
d) None
Ans: c) instantaneous velocity
30) Instantaneous speed or speed is the
a) Velocity
b) Magnitude of velocity
c) Both a and b
d) None
Ans: b) magnitude of velocity
31) The change in velocity of the object with respect to time is called as
a) Changing velocity
b) Variable velocity
c) Acceleration
d) None
Ans: c) acceleration
32) The ratio of change in velocity and the time interval is called as
a) Average velocity
b) Average displacement
c) Average acceleration
d) None
Ans: c) average acceleration
33) The acceleration of the object a at any instant t is called as
a) Instantaneous velocity
b) Instantaneous acceleration
c) Both a and b
d) Acceleration
Ans: b) instantaneous acceleration
34) Velocity may be
a) Positive
b) Negative
c) Zero
d) All
Ans: d) all
35) Acceleration is the ____ quantity.
a) Scalar
b) Vector
c) Both a and b
d) None
Ans: b) vector
36) Acceleration may be
a) Positive
b) Negative
c) Zero
d) All
Ans: d) all
37) In case of velocity time graph, the area under the curve represents the _____ over given time interval.
a) Distance
b) Velocity
c) Displacement
d) None
Ans: c) displacement
38) The dimensions of path length and displacement is
a) [L]
b) [L M]
c) [L M T]
d) None
Ans: a) [L]
39) The dimensions of average velocity and instantaneous velocity is
a) [L T]
b) [L T-1 ]
c) [L-1 T]
d) None
Ans: b) [L T-1]
40) The dimensions of average speed and instantaneous speed is
a) [L T]
b) [L T-1]
c) [L-1 T]
d) None
Ans: b) [L T-1]
41) The dimensions of average acceleration and instantaneous acceleration is
a) [L T-1]
b) [L T]
c) [ L T-2]
d) [L]
Ans: c) [L T-2]
42) The SI unit of acceleration is
a) M/s
b) M/S2
c) M
d) None
Ans: b) m/S2
43) If the object is thrown vertically upwards then velocity at its uppermost point is
a) Maximum
b) Minimum
c) Zero
d) None
Ans: c) zero
44) Kinematic equations are true only for motion in which the magnitude and the direction of acceleration are ____ during the course of motion.
a) Varying
b) Constant
c) Variable
d) None
Ans: b) constant
45) Path length depends on the
a) Direction of motion
b) Actual path
c) Both a and b
d) None
Ans: b) actual path
46) If the particle is falling under gravity, this acceleration though negative results in
a) Increase in speed
b) Decrease in speed
c) Constant speed
d) None
Ans: a) increase in speed
47) If the particle thrown upward, the negative acceleration results in
a) Increase in speed
b) Decrease in speed
c) Both a and b
d) None
Ans: b) decrease in speed
48) If the velocity of the particle at any instant is zero then it is ____ that it’s acceleration should also be zero.
a) Necessary
b) Not necessary
c) Both a and b
d) None
Ans: b) not necessary
49) The rate of change of displacement with respect to time is called
a) Velocity
b) Acceleration
c) Displacement
d) None
Ans: a) velocity
50) The rate of change of velocity with respect to time is called
a) Velocity
b) Displacement
c) Acceleration
d) None
Ans: c) acceleration
- In case you have missed:- Next Chapter MCQ Questions