Last Updated on June 5, 2025 by XAM CONTENT
Mastering the important concepts in Class 11 Physics Chapter 2 – Motion in a Straight Line is essential for scoring high marks in your exams. That’s why we’ve put together chapterwise multiple-choice questions (MCQs) with answers to help you revise effectively and boost your confidence. It is a part of MCQ Questions for CBSE Class 11 Physics Series.
These multiple-choice questions will help you assess your knowledge, improve accuracy, and boost confidence for your exams. Whether you are preparing for school tests, online tests or competitive exams, these Motion in a Straight Line MCQs will strengthen your conceptual clarity.
| Chapter | Motion in a Straight Line |
| Book | Physics for Class 11 |
| Type of Questions | MCQ Questions |
| Nature of Questions | Competency Based Questions |
| Board | CBSE |
| Class | 11 |
| Subject | Physics |
| Useful for | Class 11 Studying Students |
| Answers provided | Yes |
| Difficulty level | Mentioned |
| Important Link | Class 11 Physics Chapterwise MCQ Questions |
MCQ Questions on Motion in a Straight Line Class 11 Physics (PDF Download)
MCQs
Q1. A particle starts from rest and moves with constant acceleration. Which of the following graphs represents the velocity-time relation correctly?
(a) A straight line passing through origin
(b) A parabola
(c) A horizontal line
(d) A curve passing through origin
Show Answer
Answer: (a)
Explanation: For constant acceleration, v = at is a straight line through the origin.
Q2. A car moves with uniform acceleration. Its velocity-time graph is:
(a) Horizontal
(b) Parabolic
(c) Linear
(d) Exponential
Show Answer
Answer: (c)
Explanation: Uniform acceleration implies a straight line v-t graph.
Q3. Which of these statements is correct about a body thrown vertically upwards?
(a) Acceleration is zero at the topmost point
(b) Velocity is zero and acceleration is downward at the topmost point
(c) Both velocity and acceleration are zero at the top
(d) The body has upward acceleration
Show Answer
Answer: (b)
Explanation: At the topmost point, velocity = 0 but acceleration = –g.
Q4. A body is moving in a straight line with uniform acceleration. Which equation is valid?
(a) v² = u² + 2as
(b) s = ut – ½at²
(c) s = vt + ½at²
(d) v = s/t
Show Answer
Answer: (a)
Explanation: It’s a standard kinematic equation for uniformly accelerated motion.
Q5. The slope of a velocity-time graph represents:
(a) Distance
(b) Displacement
(c) Acceleration
(d) Speed
Show Answer
Answer: (c)
Explanation: Slope of v-t graph = acceleration.
Q6. A ball is dropped from height h. Which of the following quantities remains constant during motion (ignoring air resistance)?
(a) Displacement
(b) Speed
(c) Acceleration
(d) Kinetic energy
Show Answer
Answer: (c)
Explanation: Acceleration due to gravity is constant in free fall.
Q7. A train is moving with a uniform acceleration. The ratio of distances covered in the 1st, 2nd and 3rd seconds is:
(a) 1:1:1
(b) 1:2:3
(c) 1:4:9
(d) 1:3:5
Show Answer
Answer: (d)
Explanation: From Galileo’s law of odd numbers.
Q8. The area under acceleration-time graph gives:
(a) Velocity
(b) Displacement
(c) Distance
(d) Jerk
Show Answer
Answer: (a)
Explanation: Area under a-t graph = change in velocity.
Q9. A body moving with a constant speed may have:
(a) Constant acceleration
(b) Zero acceleration
(c) Increasing acceleration
(d) Negative acceleration
Show Answer
Answer: (b)
Explanation: Constant speed and direction implies zero acceleration.
Q10. Which graph shows increasing acceleration?
(a) Linear x-t graph
(b) Curved x-t graph, concave upward
(c) Horizontal v-t graph
(d) Linear v-t graph
Show Answer
Answer: (b)
Explanation: A concave-up x-t graph shows increasing slope, i.e., increasing acceleration.
Q11. Which of the following is not a valid assumption in deriving kinematic equations?
(a) Acceleration is constant
(b) Initial time is zero
(c) Motion is along a straight line
(d) Air resistance is always considered
Show Answer
Answer: (d)
Explanation: Kinematic equations assume ideal conditions and neglect air resistance.
Q12. If a body has zero acceleration, then its:
(a) Speed must be zero
(b) Velocity is constant
(c) Position is constant
(d) Displacement is zero
Show Answer
Answer: (b)
Explanation: Zero acceleration implies constant velocity, not necessarily zero.
Q13. A ball is thrown vertically up and returns to the thrower. Its displacement is:
(a) Zero
(b) Positive
(c) Negative
(d) Maximum at top
Show Answer
Answer: (a)
Explanation: Final and initial positions are same, so displacement = 0.
Q14. A car accelerates from rest and covers 100 m in 5 s. What is its acceleration?
(a) 5 m/s²
(b) 8 m/s²
(c) 10 m/s²
(d) 20 m/s²
Show Answer
Answer: (c)
Explanation: Using s = ½at² → 100 = ½×a×25 → a = 8 m/s².
Q15. The distance covered by a particle in nth second is given by:
(a) s = ut + ½at²
(b) sₙ = u + ½a(2n – 1)
(c) sₙ = u + a(n – ½)
(d) sₙ = ½a(2n + 1)
Show Answer
Answer: (b)
Explanation: sₙ = u + ½a(2n – 1) is the correct expression for distance in nth second.
Q16. If the velocity of a body is zero at some instant, then:
(a) Acceleration must be zero
(b) Displacement is zero
(c) The body may be turning back
(d) The body must be stationary forever
Show Answer
Answer: (c)
Explanation: Zero velocity can occur momentarily when direction changes.
Q17. Which of these correctly explains negative acceleration?
(a) Object is moving in reverse
(b) Object is slowing down
(c) Object has no velocity
(d) Object is changing direction only
Show Answer
Answer: (b)
Explanation: Negative acceleration means reduction in speed when moving forward.
Q18. Which of the following is true about instantaneous velocity?
(a) It is average velocity over a large time
(b) It is slope of the position-time graph
(c) It is area under velocity-time graph
(d) It is always constant
Show Answer
Answer: (b)
Explanation: Instantaneous velocity is given by the slope of x-t graph.
Q19. What is the distance covered in 4 seconds by a body starting from rest with acceleration 2 m/s²?
(a) 8 m
(b) 12 m
(c) 16 m
(d) 32 m
Show Answer
Answer: (d)
Explanation: s = ½at² = ½×2×16 = 16 m.
Q20. In which case is the motion not uniformly accelerated?
(a) Free fall
(b) Car moving on a slope
(c) Satellite in orbit
(d) Ball rolling down an incline
Show Answer
Answer: (c)
Explanation: Satellite motion involves centripetal acceleration, which changes direction continuously.
We hope the given mcq questions with Answers for Motion in a Straight Line Class 11 helps you in your learning.
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Topics from which mcq questions may be asked
- Position, velocity and acceleration
- Graphs of motion
- Equations of motion
Motion in a straight line teaches us to describe and analyze movement precisely.
Frequently Asked Questions (FAQs) on Motion in a Straight Line MCQ Questions
Q1: What is the best way to prepare for Class 11 Physics MCQ questions?
A1: The best way is to study NCERT concepts thoroughly, practice topicwise MCQs regularly, and focus on understanding fundamental principles rather than rote learning. Solving previous year MCQs and mock tests can boost accuracy and speed.
Q2: Are NCERT questions enough for Class 11 Physics MCQ-based exams?
A2: NCERT forms the base for all CBSE Physics MCQs. However, for better preparation, students should solve additional MCQs from reference books and practice HOTS and competency-based questions to develop deeper conceptual clarity.
Q3: Where can I find chapterwise Class 11 Physics MCQ questions with answers?
A3: You can find chapterwise MCQ questions with answers and detailed explanations on trusted educational platforms like xamcontent.com and physicsgurukul.com. These cover both basic and advanced-level questions.
Q4: Do CBSE Class 11 exams include MCQs?
A4: Yes, as per the latest CBSE exam pattern, objective questions, including MCQs, are part of the final exam paper. MCQs test conceptual understanding and application skills.
Q5: How to score high in Class 11 Physics MCQs?
A5: To score high, understand the theory from NCERT, solve a variety of MCQs (basic, conceptual, numerical), and regularly revise formulas and diagrams. Avoid guesswork and focus on time management during tests.
Q6: What are competency-based MCQs in Class 11 Physics?
A6: Competency-based MCQs assess a student’s ability to apply concepts in real-life or unfamiliar scenarios. These questions go beyond textbook definitions and require logical reasoning and application of physics principles.
