Speed and Velocity, Class 9 Science

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. The SI unit for speed is

  km/hour

 m/s

  cm/min

 none of the above

Question 1 of 20

2. How far will a car travel in 25 min at 12 m/s?

  24 km

 10 km

 18 km

 14 km

Question 2 of 20

3. What is the average velocity of a car that moved 60 km in 3 hours?

 60 km/h

 20 km/h

 30 km/h

 10 km/h

Question 3 of 20

4. The ______ of a distance versus time graph is speed.

 slope

 y-intercept

 origin

 none of the answers

Question 4 of 20

5. 1 km/ h = ________ m/s

 3/50

 18/5

 50/3

 5/18

Question 5 of 20

6. If car A is at 80 km/h and car B is at 60 km/h in the same direction, what is the velocity of the car A relative to the car B?

 40 km/h

 20 km/h

 10 km/h

 30 km/h

Question 6 of 20

7. Which of the following is a correct measure of velocity?

  30 s

 30 m/s

 30 South

 30 m/s, South

Question 7 of 20

8. If a person walked at 2 m/s for 12 s he/she would travel a distance of

 24 m

 6 m

 4 m

 none of the answers

Question 8 of 20

9. The speed at any instant of time is known as

 velocity

 given speed

 average speed

 instantaneous speed

Question 9 of 20

10. An object travels 20 m in 5 sec and then another 40 m in 5 sec. What is the average speed of the object?

 6 m/s

 2 m/s

 12 m/s

 0 m/s

Question 10 of 20

11. ______________ describes how fast something is going, whereas, __________ describes how fast something is going in a certain direction.

 rate, velocity

 rate, speed

 speed, velocity

 speed, acceleration

Question 11 of 20

12. Speed of 90 km/h when expressed in m/s is

 2.5

 90000

 250

  25

Question 12 of 20

13. Formula to find the average velocity of a body is given by

 V average=(u + v)/2

 S= u t + ½ a t²

 S ={u + a/2(2n-1)}

 V= u+ at

Question 13 of 20

14. The speed-time graph for a particle moving at constant speed is a straight-line ________ to the time axis.

  perpendicular

 parallel

  inclined

  aligned

Question 14 of 20

15. Distance covered by a body from velocity-time graph is

 Equal to the slope of the graph.

 Area under the graph .

 Is denoted by a line parallel to the time axis at any point on the distance axis.

 Is denoted by a line parallel to the distance axis at any point on the time axis

Question 15 of 20

16. ______ is a unit of speed:

 m/s

 hr

 s

 kg

Question 16 of 20

17. If car A is at 40 km/h and car B is at 10 km/h in the opposite direction, what is the velocity of the car A relative to the car B?

 20 km/h

 50 km/h

 10 km/h

 40 km/h

Question 17 of 20

18. How long would it take to travel 50 km traveling at a speed of 10 km/hr?

 5 hours

  1 hour

 3 hours

 50 hours

Question 18 of 20

19. Name the instrument used to measure instantaneous speed of a vehicle

 multimeter

 ammeter

 speedometer

 accelerator

Question 19 of 20

20. The area under the speed-time graph gives the ________.

 velocity

 distance

 acceleration

 time

Question 20 of 20

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