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JEE Exam  >  JEE Test  >  Physics Main & Advanced  >  25-MinuteTest: Acceleration - JEE MCQ

Acceleration - Free MCQ Practice Test with solutions, JEE Physics


MCQ Practice Test & Solutions: 25-MinuteTest: Acceleration (10 Questions)

You can prepare effectively for JEE Physics for JEE Main & Advanced with this dedicated MCQ Practice Test (available with solutions) on the important topic of "25-MinuteTest: Acceleration". These 10 questions have been designed by the experts with the latest curriculum of JEE 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 25 minutes
  • - Number of Questions: 10

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25-MinuteTest: Acceleration - Question 1
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A bus decelerating with 4m/s2 changes its speed from 60 m s-1 to a certain value in 5 s. The final speed is:​

Detailed Solution: Question 1

Acceleration = – 4m/s2; Initial speed, u = 60 m s-1

Time taken = 5s

Acceleration = change in velocity per unit time

a=v-u/t

v= u + at

v = 60 – 4 x 5 = 40 m/s

25-MinuteTest: Acceleration - Question 2
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If the upward direction is taken as positive, what is the sign of velocity and acceleration when a body falls freely from a height?

Detailed Solution: Question 2

Both velocity and acceleration are in the downward direction. Thus, they will be considered negative as they are vectors and the upward direction is positive.

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25-MinuteTest: Acceleration - Question 3
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A body moving along a straight line at 20m/s undergoes an acceleration of -4m/s2. After two seconds its speed will be______.

Detailed Solution: Question 3

u = 20 m/s, a = -4 m/s2, t = 2 s.
v = ?
∵ v = u + at
⇒ v = 20 + (-4) (2)
⇒ v = 20 - 8 = 12 m/s

25-MinuteTest: Acceleration - Question 4
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A boy throws a ball up and catches it when the ball falls back. In which part of the motion the ball is accelerating?

Detailed Solution: Question 4

  • When the ball moves upward, the force of gravitation is acting in the opposite direction of the ball that is why in that case acceleration is negative or in other words deceleration takes place.
  • But when the ball is moving downwards the force of gravitation is in the same direction of the motion of the ball thus acceleration takes place in this case.

25-MinuteTest: Acceleration - Question 5
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Choose the correct option:

Detailed Solution: Question 5

  • Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. 
  • Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity.
  • Velocity is a vector quantity that refers to the speed of an object in a particular direction.

25-MinuteTest: Acceleration - Question 6
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The ratio of C.G.S. to M.K.S. unit of acceleration is:​

Detailed Solution: Question 6

M.K.S. unit of acceleration = 1 m/s2
C.G.S. unit of acceleration = 1 cm/s2

C.G.S unit of acceleration/ M,K.S unit of acceleration = 1 cm/s2 / 1 m/s2
= 1 cm / 100 cm = 1/100 =1:100

25-MinuteTest: Acceleration - Question 7
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The S.I. unit of acceleration is______.

Detailed Solution: Question 7

Calculating acceleration involves dividing velocity by time or we can say,  dividing the meter per second by the second. i.e. [ m/s2 = (m/s) /s ]

25-MinuteTest: Acceleration - Question 8
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If a moving body comes to rest, then its acceleration is______.

Detailed Solution: Question 8

If a moving body comes to rest, then its acceleration is negative, as it's velocity becomes zero.

25-MinuteTest: Acceleration - Question 9
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If the average velocity of a body is equal to mean of its initial velocity and final velocity, then the acceleration of the body is:

Detailed Solution: Question 9

If the average velocity of a body equals the mean of its initial and final velocities, it indicates that the body moves with a consistent acceleration throughout its motion. This is because:

  • The average velocity is calculated as: (Initial Velocity + Final Velocity) / 2.
  • When the average velocity matches this formula, it implies the body does not speed up or slow down.
  • Therefore, the acceleration is uniform, meaning it remains constant during the motion.

25-MinuteTest: Acceleration - Question 10
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Acceleration is defined as the rate of change of______.

Detailed Solution: Question 10

Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity.

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About this JEE Practice Test

This test contains 10 MCQs on 25-MinuteTest: Acceleration with detailed solutions for each question. It is part of the Physics for JEE Main & Advanced course on EduRev, designed to align with the current JEE syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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