Physics important MCQS

*Physics MCQS*
1. If a body does not change its position with respect to its surroundings, it is said to be at
A. *rest*
B. motion
C. distance
D. position

2.  Quantities between which a graph is plotted are known as
A. constants
B. co-efficients
C. surds
D.  *variables*

3. Spinning of body about its axis is
A. *rotatory*
B. circular
C. translational
D. none of above

4. A tennis ball hits vertically upward with velocity of 25ms−1 and takes 4 s to reach highest point. maximum height reached by ball is
A. 45 m
B. *55 m*
C. 30 m
D. 50 m

5. Distance covered by an object in unit time is called its
A. *speed*
B. velocity
C. displacement
D. position

6. Time taken by a train to slow down from 80 kmh-1 to 20 kmh-1 with a uniform deceleration of 2 ms-2 is
A. 9 s
B. 10 s
C. *8.3 s*
D. 8.4 s

7. Length of a path between 2 points is called
A. displacement
B. distance
C. *position*
D. velocity

8. If velocity of a body increases with time, then its acceleration is
A. zero
B. *positive*
C. negative
D. none of above

9. Types of motion are
A. 2
B. *3*
C. 4
D. 5

10. Rate of change of velocity is called
A. speed
B. distance
C. force
D. *acceleration*

11. Shortest distance between 2 points which also has direction and magnitude is termed as
A. position
B. velocity
C. *displacement*
D. distance

12.  In terms of velocity, symbol vf is used for
A. *final velocity*
B. initial velocity
C. negative velocity
D. total velocity

13.  Motion of riders in Ferris wheel is
A. rotatory
B. *translational*
C. non relative
D. none of  relative
D. none of above

14.  Height of tower when stone dropped from it reaches ground in 5 s is
A. 130 m
B. *125 m*
C. 150 m
D. 200 m

15.  Negative acceleration is called
A. friction
B. *retardation*
C. uniform acceleration
D. variable acceleration

16. Study of motion of an object without discussing cause of motion is known as
A. *kinematics*
B. dynamics
C. trinamics
D. friction

17.  If a body doesn't change its position with respect to its surroundings then its in state of
A. motion
B. *rest*
C. equilibrium
D. weightlessness

18.  Location of a place or a point with respect to some reference point(origin) is known as
A. velocity
B. rest
C. displacement
D. *position*

19. Motion of an object in a circular path is called
A. random motion
B. vibratory motion
C. *circular motion*
D. linear motion

20. Reference point is taken as
A. *origin*
B. anywhere on x-axis
C. anywhere on y-axis
D. in between two coordinates

21. If a body covers equal displacement in equal intervals of time however short interval may be, then it has
A. *uniform velocity*
B. uniform speed
C. non-uniform speed
D. uniform acceleration

22. An athlete completes its 200 metre race in 25 seconds. Its average speed will be
A. 6 ms−1
B. 10 ms−1
C. *8 ms−1*
D. 5 ms−1

23. If a body covers equal distance in equal intervals of time then its speed is
A. variable
B. *uniform*
C. equal
D. constant

24. A car is moving at a speed of 36 kmh−1. Its speed expresses in ms−1 is
A. 25 ms−1
B. *10 ms−1*
C. 20 ms−1
D. 30 ms−1

25.  A brick is dropped from top of a building. If it hits ground after 6 seconds, height of building will be
A. 120 metres
B. 150 metres
C. 110 metres
D. *180 metres*