MCQ Quiz on Class 11 Physics Chapter 3 Motion in a Straight Line with Answers

We have compiled the MCQ Questions for Class 11 Physics Chapter 3 Motion in a Straight Line with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 11 Physics with Answers on a daily basis and score well in exams. Refer to the Motion in a Straight Line Class 11 MCQs Quiz Questions with Answers here along with a detailed explanation.

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Motion in a Straight Line Class 11 MCQs Questions with Answers

MCQ Questions for Class 11 Physics Chapter 3 Motion in a Straight Line with Answers

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1. What does the displacement of the particle shown in the graph indicate?

 
 
 
 

2.  A body covers 16, 18, 20, 22 meters in 5th, 6th, 7th and 8th seconds respectively. Which of the following statements is true about the body?

 
 
 
 

3. An athlete finishes a round of circular track of radius R in 40 sec. What is his displacement at the end of 2 min 20 sec?

 
 
 
 

4. What is the ratio of the average acceleration during the intervals OA and AB in the velocity-time graph as shown below?

 
 
 
 

5. A body starts from rest and travels with an acceleration of 2 m/s². After t seconds its velocity is 10 m/s. Then t is

 
 
 
 

6. Which of the following changes when a particle is moving with uniform velocity?

 
 
 
 

7. A man leaves home for a cycle ride and comes back home after an half-an-hour ride covering a distance of one km. What is the average velocity of the ride?

 
 
 
 

8. The acceleration of a moving object can be found from

 
 
 
 

9. A bird flies with a speed of 10 km/hr and a car moves with uniform speed 8 km/hr. Both start from B to A at the same instant (BA = 40 km). The bird after reaching A flies back immediately to meet the approaching car. Once it reaches the car, it flies back to A. The bird repeats this until both the car and the bird reach A simultaneously. What is the total distance flown by the bird?

 
 
 
 

10. The displacement in metres of a body varies with time t in second as y = t² – t – 2. The displacement is zero for a positive of t equal to

 
 
 
 

11. Elephants A, B and C move with a constant speed in the same direction along a straight line as shown in the figure. The speed of the elephant A is 5 m/s and the speed of the elephant C is 10 m/s. Initially, the separation between A and B is d and between B and C is also d. When B catches C, the separation between A and C becomes 3d. What will the speed of B be?

 
 
 
 

12. A bird flies with a speed of 10 km/hr and a car moves with uniform speed 8 km/hr. Both start from B to A at the same instant (BA = 40 km). The bird after reaching A flies back immediately to meet the approaching car. Once it reaches the car, it flies back to A. The bird repeats this until both the car and the bird reach A simultaneously. What is the total distance flown by the bird?

 
 
 
 

13. A body starts from rest and travels with uniform acceleration a to make a displacement of 6 m. If its velocity after making the displacement is 6 m/s, then its uniform acceleration a is

 
 
 
 

14. If the displacement of an object is zero, then what can we say about its distance covered?

 
 
 
 

15. Which one of the following is the unit of velocity?

 
 
 
 

16. The displacement-time graph of a moving object is a straight line. Then,

 
 
 
 

17. If the velocity-time graph of an object is a straight line sloping downwards, the body has

 
 
 
 

18. Which of the following remains constant if a body travels with constant acceleration?

 
 
 
 

19. A boy starts from a point A, travels to a point B at a distance of 3 km from A and returns to A. If he takes two hours to do so, his speed is

 
 
 
 

20. A body starts from rest and travels for five seconds to make a displacement of 25 m if it has travelled the distance with uniform acceleration a then a is

 
 
 
 

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