Topic Motion in One Dimensions, Physics MCQ Quiz Test

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MCQ 1:
A runner completes one round of a circular path of radius r in 40 seconds. His displacement after 2 minutes 20 seconds will be -

MCQ 2:
A particle covers half of the circle of radius r. Then the displacement and distance of the particle are respectively -

MCQ 3:
A car travels from place A to the place B at 20 km/hour and returns at 30 km/hour. The average speed of the car for the whole journey is

MCQ 4:
A car travels a distance of 2000 m. If the first half distance is covered at 40 km/hour and the second half at velocity v and if the average velocity is 48 km/hour, then the value of v is -

MCQ 5:
A car travels the first half of the journey at 40 km/hour and the second half at 60 km/hour. The average speed of a car is -

MCQ 6:
A particle is moving east-wards with a velocity of 5 m/sec. In 10 seconds its velocity changes to 5 m/sec north-wards. The average acceleration during this time is -

MCQ 7:
A truck travelling due to North at 20 m/s turns East and travels at the same speed. The change in its velocity is -

MCQ 8:
A truck travelling due north at 20m/s turns west and travels with the same speed. What is the change in velocity ?

MCQ 9:
A car covers half of the distance with speed 60 km/hr and rest of the half with speed 30 km/hr. The average speed of the car is –

MCQ 10:
A motor car covers 1/3rd part of total distance with v1 = 10 km/hr, second 1/3rd part with v2 = 20 km/hr and rest 1/3rd part with v3 = 60 km/hr. What is the average speed of the car?

MCQ 11:
A particle travels A to M along a straight line with a velocity of 8 m/s and M to A with a velocity of 2 m/s, then the average velocity for the whole journey is –

MCQ 12:
A car travels first 1/3 of the distance AB at 30 km/hr, next 1/3 of the distance at 40 km/hr, last 1/3 of the distance at 24 km/hr. Its average speed in km/hr for the whole journey is -

MCQ 13:
A particle is moving towards East with a velocity 10 m/sec. In 10 seconds the velocity changes to 10 m/sec Northwards. The average acceleration during the period is -

MCQ 14:
A train travels from one station to another at a speed of 40 km/hour and returns to the first station at the speed of 60 km/hour. Calculate the average speed and average velocity of the train

MCQ 15:
A passenger travels along a straight line with velocity v1 for first half time and with velocity v2 for next half time, then the mean velocity v is given by

MCQ 16:
At an instant t, the co-ordinates of a particle are x = at2, y = bt2 and z = 0, then its velocity at the instant t will be

MCQ 17:
A particle is moving so that its displacement s is given as s = t3 – 6t2 + 3t + 4 meter. Its velocity at the instant when its acceleration is zero will be -

MCQ 18:
If y denotes the displacement and t denote the time and the displacement is given by y = a sin ωt, the velocity of the particle is-

MCQ 19:
The displacement y (in meters) of a body varies with time (in seconds) according to the equation y = –2/3 t2 + 16t + 2. How long does the body come to rest ?

MCQ 20:
The displacement x of a particle moving along a straight line is related to time by the relation t = √x + 3. The displacement of the particle when its velocity is zero is given by -

MCQ 21:
The displacement-time relationship for a particle is given by x = a0 + a1t + 2t2. The acceleration of the particle is

MCQ 22:
The initial velocity of a particle (at t = 0) is u and the acceleration of particle at time t is given by f = at, where a is a constant. Which of the following relation for velocity v of particle after time t is true?

MCQ 23:
The variation of velocity of a particle moving along straight line is shown in figure. The distance traversed by the body in 4 seconds is –

MCQ 24:
The v-t graph of a linear motion is shown in adjoining figure. The distance travelled in 8 seconds is –

MCQ 25:
From figure the distance travelled in 5 second is

MCQ 26:
A girl walks along an east-west street, and a graph of her displacement from home is as shown in figure. Her average velocity for the whole time interval is -

MCQ 27:
Which one of the following curves do not represent motion in one dimension -

MCQ 28:
The uniform motion in the following acceleration-time graph is

MCQ 29:
The adjoining curve represents the velocity-time graph of a particle, its acceleration values along OA, AB and BC in metre/sec2 are respectively-

MCQ 30:
In the following velocity-time graph of a body, the distance and displacement travelled by the body in 5 second in meters will be -

MCQ 31:
The following figures show some velocity v versus time t curves. But only some of these can be realised in practice. This are-

MCQ 32:
The velocity-time graph of a linear motion is shown below. The displacement from the origin after 8 seconds is -

MCQ 33:
The following shows the time-velocity graph for a moving object. The maximum acceleration will be

MCQ 34:
A particle moves from the position of rest and attains a velocity of 30 m/sec after 10 sec. The acceleration will be

MCQ 35:
The relation between time t and displacement x is expressed by x = 2 – 5t + 6t2. What will be the initial velocity of the particle ?

MCQ 36:
A particle, after starting from rest , experiences, constant acceleration for 20 seconds. If it covers a distance of S1, in first 10 seconds and distance S2 in next 10 sec, then

MCQ 37:
A body sliding on a smooth inclined plane requires 4sec to reach the bottom after starting from rest at the top. How much time does it take to cover one fourth the distance starting from the top

MCQ 38:
The initial velocity of a particle is 10 m/sec and its retardation is 2 m/sec2. The distance covered in the fifth second of the motion will be

MCQ 39:
A moving train is stopped by applying brakes. It stops after travelling 80 m. If the speed of the train is doubled and retardation remains the same, it will cover a distance

MCQ 40:
If u is the initial velocity of a body and a the acceleration , the value of distance travelled by nth second is :

MCQ 41:
A body starts from rest, the ratio of distances travelled by the body during 3rd and 4th seconds is :

MCQ 42:
A body starting from rest and has uniform acceleration 8 m/s2. The distance travelled by it in 5th second will be

MCQ 43:
Which one of the following equations represent the motion of a body with finite constant acceleration. In these equations y denotes the position of the body at time t and a, b, and c are the constant of the motion

MCQ 44:
A particle initially at rest moves for 40 seconds under the influence of a constant force. If the distance travelled by the particle is S1 in the first twenty seconds and S2 in the next twenty second, then

MCQ 45:
A rocket is projected vertically upwards and its time-velocity graph is shown in the figure. The maximum height attained by the rocket is –

MCQ 46:
An object is released from some height. Exactly after one second, another object is released from the same height. The distance between the two objects exactly after 2 seconds of the release of second object will be:

MCQ 47:
A stone is thrown vertically upwards from the top of a tower with a velocity u and it reaches the ground with a velocity 3u. The height of the tower is

MCQ 48:
A ball is thrown from the ground with a velocity of 80 ft/sec. Then the ball will be at a height of 96 feet above the ground after time

MCQ 49:
A body is dropped from a height h under acceleration due to gravity g. If t1and t2 are time intervals for its fall for first half and the second half distance, the relation between them is

MCQ 50:
A stone is dropped from a bridge and it reaches the ground in 4 seconds The height of the bridge is: