NCERT Class 11 Physics MCQ Chapter 2 Motion in a Straight Line Solutions, AHSEC Class 11 Physics Multiple Choice Question Answer to each chapter is provided in the list so that you can easily browse throughout different chapters NCERT Class 11 Physics MCQ Chapter 2 Motion in a Straight Line Question Answer and select needs one.
Class 11 Physics MCQ Chapter 2 Motion in a Straight Line
Also, you can read the SCERT book online in these sections NCERT Class 11 Physics Multiple Choice Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. AHSEC Class 11 Physics MCQ Solutions. These solutions are part of SCERT All Subject Solutions. Here we have given HS 1st Year Physics Objective Type Question Answer for All Subjects, You can practice these here.
Motion in a Straight Line
Chapter: 2
| PART – Ⅰ |
MULTIPLE CHOICE QUESTION ANSWER
1. What does motion refer to in physics?
(i) Change in position over time.
(ii) Change in mass over time.
(iii) Change in volume over time.
(iv) Change in density over time.
Ans: (i) Change in position over time.
2. In which of the following states does a body possess kinetic energy?
(i) Rest.
(ii) Motion.
(iii) When placed on a platform.
(iv) In zero gravity.
Ans: (ii) Motion.
3. Which force can possibly act on a body moving in a straight line?
(i) Tangential force.
(ii) Friction force.
(iii) Centrifugal force.
(iv) Centripetal force.
Ans: (i) Tangential force.
4. If two position-time graphs intersect at different times on the x-axis, it indicates:
(i) They live at the same distance from school.
(ii) They reach home at the same time.
(iii) They reach home at different times.
(iv) They started from different places.
Ans: (iii) They reach home at different times.
5. If a person returns home by auto at 25 km/h over a distance of 2.5 km, the time taken is:
(i) 6 minutes.
(ii) 12 minutes.
(iii) 24 minutes.
(iv) 10 minutes.
Ans: (i) 6 minutes.
6. Which of the following are obtained by dividing total displacement by total time taken?
(i) Average velocity.
(ii) Instantaneous velocity.
(iii) Uniform velocity.
(iv) Speed.
Ans: (i) Average velocity.
7. What is the rate of change of displacement of a body?
(i) Velocity.
(ii) Acceleration.
(iii) Force.
(iv) Jerk.
Ans: (i) Velocity.
8. A car decelerating to stop from 35 m/s over 200 m has retardation:
(i) 3.06 m/s²
(ii) 2.5 m/s²
(iii) 5.0 m/s²
(iv) 6.0 m/s²
Ans: (i) 3.06 m/s²
9. If a car stops from a speed of 35 m/s in 200 m, which equation helps calculate retardation?
(i) 𝓋 = 𝓿 + αt
(ii) 𝓋2 – 𝓿2 = 2αS
(iii) s = ut + 1/2αt2
(iv) F = mα
Ans: (ii) 𝓋2 – 𝓿2 = 2αS
10. A graph segment that is flat on a position-time graph means:
(i) Constant speed.
(ii) Zero velocity.
(iii) High acceleration.
(iv) Moving backward.
Ans: (ii) Zero velocity.
11. Which one of the following relations is true?
(i) Distance > Displacement.
(ii) Distance < Displacement.
(iii) Distance >= Displacement.
(iv) Distance <= Displacement.
Ans: (iii) Distance >= Displacement.
12. When a person moves in the coordinate system from A (0, 0) to B (5, 10), to C (8, 6), what is the displacement covered?
(i) 10 units.
(ii) 5 units.
(iii) 7 units.
(iv) 15 units.
Ans: (i) 10 units.
13. According to Galileo, the rate of change of velocity with time for an object in free fall is:
(i) Increasing.
(ii) Decreasing.
(iii) Zero.
(iv) Constant.
Ans: (iv) Constant.
14. What is the SI unit of acceleration?
(i) m/s
(ii) m/s²
(iii) m²/s
(iv) m³/s²
Ans: (ii) m/s²
15. Distance does not depend on _______.
(a) Motion.
(b) Initial point.
(c) Vehicle.
(d) Speed.
Ans: (d) Speed.
