MCQ Class 11 Physics Chapter 2 Motion In A Straight Line

MCQ’s For All Chapters – Physics Class 11th

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. What is the distance of the star (in km) from which a light takes 3 x 10⁹ year to reach the earth? The speed of light, is C = 3 x 10⁸ m/s.

2.888 × 10²² km

2.388 × 10²² km

2.838 × 10²² km

2.808 × 10²² km

Question 1 of 20

2. The ratio of displacement to distance is

Greater than 1

Either less than or equal to 1

Less than 1

Equal to 1

Question 2 of 20

3. The magnitude of displacement is equal to minimum possible distance between two positions.

True

False

sometimes true and sometimes false

can’t predict

Question 3 of 20

4. Which of the following statements about distance is true:

It always decreases with time

it can never be less than magnitude of displacement

It cannot be positive

It cannot be zero

Question 4 of 20

5. Which of the following quantity remains constant during the uniform circular motion?

Velocity

Angular acceleration

Speed

Angular velocity

Question 5 of 20

6. The magnitude of average velocity is equal to the average speed if the motion of an object is along a straight line and in the same direction.

True

can’t predict

False

sometimes true and sometimes false

Question 6 of 20

7. A particle is moving along a circle of radius R such that it completes one revolution in 40 seconds. What will be the displacement after 2 minutes 20 seconds?

6R

2R

4R

R

Question 7 of 20

8. The numerical ratio of velocity to speed is:

Either less than or equal to 1

Equal to 1

Greater than 1

Less than 1

Question 8 of 20

9. Two escalators move people up and down between floors of a shopping mall at the same rate, either up or down. What of the following statements regarding the motion of the escalators is true?

The escalators have different speeds and velocities.

The escalators have the same velocity, but different speeds.

The escalators have the same speed and velocity.

The escalators have the same speed, but different velocities.

Question 9 of 20

10. A coordinate system that enables us to describe the position of a body in space at any instant of time is called

Reference frame

Intersection point

Origin

Reference point

Question 10 of 20

11. The displacement of a particle starting from rest (at t = 0) is given by s = 6t²-t³ The time in seconds at which the particle will attain zero velocity again, is

6

4

2

8

Question 11 of 20

12. The displacement of an object may be

positive

negative

positive, negative or zero

positive or zero

Question 12 of 20

13. If a body does not change its direction during the course of its motion, then

Displacement is greater than path length

Path length and displacement are equal

Path length is greater than displacement

Path length is either greater or equal to displacement

Question 13 of 20

14. 36 km/h is equal to:

129. 6 ms^-1

600 ms^-1

10 ms^-1

12.96 ms^-1

Question 14 of 20

15. The ratio of magnitude of velocity and speed is always:

Equal to or less than one

Less than one

One

Equal to or greater than one

Question 15 of 20

16. Suppose our school is 1 km away from our house, and we go to school in the morning, and in the afternoon we come back. Then, the total displacement for the entire trip is

1 km

2km

-1 km

0 km

Question 16 of 20

17. An object is in uniform motion along a straight line if it

moves equal distances in equal intervals of time.

does not move

moves equal distances in unequal intervals of time.

moves unequal distances in unequal intervals of time

Question 17 of 20

18. A man starts from his home with a speed of 4 km/h on a straight road up to his office 5 km away and returns to home, then the path length covered is

-5 km

5 km

zero

10 km

Question 18 of 20

19. Choose the incorrect statement

Velocity is a vector quantity

Velocity can be positive, negative or zero

Velocity gives no idea about the direction of motion of the objects

Time rate of change of displacement is called velocity

Question 19 of 20

20. Which of the following is not an example of a rectilinear motion?

A car moving in a circular path

A rain drop falling towards the earth

A car moving on a straight road

A wooden block sliding down the inclined plane

Question 20 of 20

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