JEE Main Physics: Kinematics Set 2 Exam Quiz!

10 Questions | Total Attempts: 45

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JEE Main Physics: Kinematics Set 2 Exam Quiz!

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Questions and Answers
  • 1. 
    Which of the following acceleration vs. time graphs represent the complete motion of an object thrown vertically upward?  
    • A. 
    • B. 
    • C. 
    • D. 
  • 2. 
    Which of the following pair of graphs represent the same motion?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 3. 
    The figure shows the four paths of a ball hit by a batsman in the game of cricket. If there is no air resistance then which of the following is the correct order of the initial horizontal velocity component in decreasing order?
    • A. 

      1>4>3>2

    • B. 

      2>3>4>1

    • C. 

      4>3>2>1

    • D. 

      1>2>3>4

  • 4. 
    A horizontally traveling bullet pierces a paper screen A and then B which are separated by a distance of 45 m. The hole made by the bulletin screen A is 20 cm above the hole in screen B. What will be the velocity of the bullet when it hits screen A? Neglect the resistance of paper and air.
    • A. 

      450 m/s

    • B. 

      225 m/s

    • C. 

      332 m/s

    • D. 

      625 m/s

  • 5. 
    The centripetal acceleration of a particle moving in a circle of radius r is given as ac = n2rt2, where n is a positive constant. Which of the following option is correct for the above motion?  
    • A. 

      Speed of the particle =

    • B. 

      Tangential acceleration of the particle =

    • C. 
    • D. 

      None of these

  • 6. 
    A ball is projected at an angle  with the velocity of u. What will be the average velocity between the point of projection and the highest point of the projectile?
    • A. 
    • B. 
    • C. 
    • D. 
  • 7. 
    A ball is moving in a circle of a radius of 12 m with a speed of 2 m/s. The speed of the ball increases by 5 m/s in every one second. The total acceleration of the body after one second is:
    • A. 
    • B. 
    • C. 
    • D. 
  • 8. 
    On the basis of the diagram which of the following statement is true:
    • A. 

      Particle 1 will reach the ground first

    • B. 

      All the particles will reach the ground simultaneously

    • C. 

      All the particles will hit the ground with same speed

    • D. 

      Only particle 2 and 3 will hit the ground with same speed

  • 9. 
    A particle is thrown at some angle within the gravitational field of the earth with some initial velocity. Which of the following graph is not true in this context?
    • A. 
    • B. 
    • C. 
    • D. 
  • 10. 
    An object is moving in a circular path of radius ‘R’ such that its speed ‘v’ varies as  where x is the distance and is a positive constant. What will be the acceleration of the object?
    • A. 
    • B. 
    • C. 
    • D. 
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