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

Here you will find NCERT MCQ Questions for Class 11 Physics with Answers PDF Free Download based on the important concepts and topics given in the textbook as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 11 Physics. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.


Q1. Thermo electricity was discovered by:

(a) Joule
(b) Peitier
(c) Thomson
(d) Seebeck

(d) Seebeck


Q2. The location of a particle has changed. What can we say about the displacement and the distance covered by the particle?

a) Neither can be zero
b) One may be zero
c) Both may be zero
d) One is +ve, other is –ve

a) Neither can be zero


Q3. The displacement of a body is zero. The distance covered

a) may or may not be zero
b) is not zero
c) is zero
d) depends upon the acceleration

a) may or may not be zero


Q4. A wire P is half the diameter and half the length of a wire Q of similar material. The ratio of resistances of P to that 0 is:

(a) 4 : 1
(b) 8 : 1
(c) 2 : 1
(d) 1 : 2

(c) 2 : 1


Q5. Which of the following can be zero, when a particle is in motion for some time?

a) Displacement
b) None of these
c) Distance
d) Speed

a) Displacement


Q6. If distance covered by a particle is zero, what can you say about its displacement?

a) It must be zero
b) It cannot be zero
c) It may or may not be zero
d) It is negative

a) It must be zero


Q7. In a Wheatstone bridge, the resistance each arm is 10 Ω. If the resistance galvanometers is also 10 Ω, then effective resistance of the bridge will be :

(a) 40 Ω
(b) 20 Ω
(c) 10 Ω
(d) 5 Ω

(c) 10 Ω


Q8. The distance travelled by a body is directly proportional to the time taken. Its speed

a) remains constant
b) decreases
c) increases
d) becomes zero

a) remains constant


Q9. The slope of velocity-time graph for motion with uniform velocity is equal to

a) zero
b) final velocity
c) initial velocity
d) none of these

a) zero


Q10. Potentiometer measures the potential difference more accurately than a voltmeter because:

(a) It has a wire of high resistance
(b) It has a wire of low resistance
(c) It does not draw current from external circuit
(d) It draws heavy current from external circuit

(c) It does not draw current from external circuit


Q11. A 180 metre long train is moving due north at a speed of 25 m/s. A small bird is flying due south, a little above the train, with a speed of 5 m/s. The time taken by the bird to cross the train is

(a) 10 s
(b) 12 s
(c) 9 s
(d) 6 s

(d) 6 s


Q12. A boy starts from a point A, travels to a point B at a distance of 1.5 km and returns to A. If he takes one hour to do so, his average velocity is

(a) 3 km/h
(b) zero
(c) 1.5 km/h
(d) 2 km/h

(b) zero


Q13. A body starts from rest and travels with uniform acceleration on a straight line. If its velocity after making a displacement of 32 m is 8 m/s, its acceleration is

(a) 1 m/s²
(b) 2 m/s²
(c) 3 m/s²
(d) 4 m/s²

(a) 1 m/s²


Q14. Two bulbs 25 W, 220 V and 100 W, 220 V are given. Which has higher resistance?

(a) 25 W
(b) 100 W
(c) both bulbs have equal resistance
(d) resistance of bulbs can not be compared

(a) 25 W


Q15. A body starts from rest and travels for t second with uniform acceleration of 2 m/s². If the displacement made by it is 16 m, the time of travel t is

(a) 4 s
(b) 3 s
(c) 6 s
(d) 8 s

(a) 4 s


Q16. In India electricity is supplied fordomestic use at 220 V. It is supplied at 110 V in U.S.A. If the resistance of a 60 W bulb use in India is R. the resistance of a 60 W bulb for use in USA will be:

(a) 2 R
(b) R
(c) R/2
(d) R/4

(d) R/4


Q17. The dimensional formula for velocity is

(a) [LT]
(b) [LT-1]
(c) [L2T]
(d) [L-1T]

(b) [LT-1]


Q18. 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

(a) 10 s
(b) 5 s
(c) 20 s
(d) 6 s

(b) 5 s


Q19. The area under acceleration time graph gives

a) change in velocity
b) change in acceleration
c) distance travelled
d) force acting

a) change in velocity


Q20. If a body travels with constant acceleration, which of the following quantities remains constant ?

a) None of these
b) Time
c) Velocity
d) Displacement

a) None of these


Q21. Velocity time curve for a body projected vertically upwards is

a) straight line
b) ellipse
c) parabola
d) hyperbola

a) straight line


Class 11 Physics MCQs Questions with Answers Chapter Wise


Practicing NCERT Physics MCQs With Answers Pdf Class 11 is one of the best ways to prepare for the CBSE Class 11 board exam. There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. If you have any queries regarding The CBSE Class 11 Physics MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

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