Class 9th

Objective test
45 minutes
1.  What is the meaning of distance (a)shortest distance (b)longest distance (C)intermediate distance (d)none of the above

2.  A body covers 3 metre north and 4 metres towards east. What is the distance and displacement of the body after the journey:

(A) 5m, 0. (B) 5m, 5m. (C) 7m, 0m (D) 7m, 5m

3.    A body covers 3 metre towards north than 4 metre towards east and then turns towards south and covers a distance of 6 metre. What is the distance and displacement after the journey:
(A) 13m, 5m.  (B) 5m, 13m (C) 6m, 10m (D) None of the above

4.  Distance is a (A)scalar quantity (B) vector quantity (C) tensor quantity (D) None of the above

5. The magnitude of displacement:
(A) is always larger than distance
(B) is always smaller than distance
(C) is always equal to distance .
(D) None of the above

6. Displacement can be :
(A)positive (B) negative (C) zero (D) all the above

7. Which of the following is true:
(A) distance cannot be negative
(B) displacement can be negative
(C) displacement can be zero
(D) All the above

8.  Average velocity can be:
(A) zero (B)positive (C)negative (D)all the above

9. Velocity is a :
(A)scalar quantity (B)vector quantity (C) tensor quantity (D) none of the above

10. Speed is a :
(A) scalar quantity (B)vector quantity (C)tensor quantity (D) none of the above

11. When object travels in a straight line then:
(A) its average speed is equal to average velocity
(B) average speed is greater than average velocity
(C) average speed is smaller than average velocity
(D) none of the above

12. Position time graph is always a straight line :
(A) in case of uniform motion
(B) in case of  non uniform motion
(C) in case of retarded motion
(D) none of the above

13.  Position time graph is a curve other than a straight line
(A) in case of uniform motion
(B) in case of nonuniform motion
(C) both uniform and nonuniform motion (D) None of the above

14. An object cover 6 metre towards north and 8 metre towards east what is the displacement of the object after the journey:
(A) 10m. (B) 12m. (C) 11m (D) 15 m

15.  An object is said to be in uniform motion if it covers
(A) equal distance in equal interval of time (B) unequal distance in equal interval of time
(C) equal distance in unequal interval of time
(D) none of the above

16.  An object is said to be  in non uniform motion if it covers
(A) equal distance in equal interval of time
(B) unequal distance in equal interval of time.
(C) equal distance in an unequal interval of time.
(D) both B and C

17. Rahul swims in a swimming pool and covers a distance of 180 in going from one end to another end and return back to the same path.calculate the distance  travelled by Rahul after 3 minutes.
(A)90 m (B) 180 m (C) 270 m (D) 1m/s

18. Rahul travels in a swimming pool and covers a distance of 90 m  in going from one end to another end and returns back to the same path. what is the average speed of the Rahul in the whole journey:
(A) 1m/s ( B) 2m/s (C) zero (D) 3m/s

19. Usha swims in a swimming pool and covers a distance of 90 m in going from  one end to another end what is the average velocity of Usha after the whole journey after 1 minutes.
(A) 1.5 m/s.  (B) 1m/s (C) 2m/s ( D) zero.

20. Maithili travels in a circular path of radius 14 metre what is it average speed after 11 seconds:
(A) 4m/s ( B) 8 m/s (C) 16m/s (D) None