## Speed and velocity -MCQ-Basic

Physics is an important subject in preparation for various Competitive exams.To keep a track of your preparation we have designed a small quiz of 7 Basic Level Questions on Speed and velocity . You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. The ratio of the numerical values of the average velocity and average speed of a body is always

•  Unity
•  Unity or less
•  Unity or more
•  less than unity

Unity or less

Q2. A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 850 meters is

•  56 sec
•  68 sec
•  80 sec
•  92 sec

80 sec

Q3. A car moves for half of its time at 80 km/h and for rest half of time at 40 km/h Total distance covered is 60 km What is the average speed of the car

•  60 km/h
•  80 km/h
•  120 km/h
•  180 km/h

60 km/h

Q4. A particle moves along x-axis in such a way that its coordinate x varies with time t according to the equation x=(2-5t+6t2) m. The initial velocity of the particle is

•  – 5 m/s
•  6 m/s
•  – 3 m/s
•  3 m/s

– 5 m/s

Q5. When a particle moves with uniform velocity, which of the following relations are correct (I) Average speed = average velocity (II) Instantaneous speed = instantaneous velocity (III) Distance covered = magnitude of displacement

•  I, II, III
•  I, II
•  II, III
•  I, III

I, II, III

Q6. When a particle moves with variable velocity, which of the following statements are not correct (I) Average speed = average velocity (II) Instantaneous speed = instantaneous velocity (III) Distance covered = magnitude of displacement

•   I, II,III
•   I, II
•  II, III
•   I, III

I, III

Q7. A body has speed V, 2V and 3V in first 1/3 of distance S, seconds 1/3 of S and third 1/3 of S respectively. Its average speed will be

•  V
•  2V
•  18/11V
•  11/18V

18/11V

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