JAC Class 11 Physics MCQ Chapter-3: Motion In A Plane

1. Which of the following is not a scalar quantity?

  • Temperature
  • Charge
  • Coefficient of friction
  • Impulse
Answer
Impulse

2. Which of the following is a scalar quantity?

  • Electric current
  • Linear momentum
  • Acceleration
  • Electric field.
Answer
Electric current

3. Which of the following is a vector quantity?

  • Gravitational potential,
  • Electric current
  • Current density
  • Angle.
Answer
Current density

4. Which of the following is a vector quantity?

  • Time
  • Displacement
  • Speed
  • Distance
Answer
Displacement

5. Which of the following is scalar?

  • Velocity
  • Speed
  • Displacement
  • Force
Answer
Speed

6. Which of the following is a vector?

  • Energy
  • Work
  • Potential
  • Momentum
Answer
Momentum

7. Angular displacement in unit time is called –

  • Angular velocity
  • Angular movement
  • Angular acceleration
  • Frequency

 

Answer
Angular velocity

8. Rate of change of angular velocity is called –

  • Angular momentum
  • Angular displacement
  • Frequency
  • Angular acceleration
Answer
Angular acceleration

9. Path followed by the projectile is –

  • Straight line
  • Circular
  • Ellipse
  • Parabolic
Answer
Parabolic

10. When a particle moves on a circular path then the force that keeps it moving with uniform velocity is –

  • Centripetal force
  • Gravitational force
  • Internal force
  • Atomic force.
Answer
Centripetal force

11. In circular motion –

  • The direction of motion is fixed
  • The direction of motion changes continuously
  • Acceleration is zero
  • None of these.
Answer
The direction of motion changes continuously

12. Force responsible for the circular motion of the body is –

  • Centripetal force
  • Gravitational force
  • Centrifugal force
  • None of these
Answer
Centripetal force

13. A particle revolves around a circular path. The acceleration of the particle is inversely proportional to –

  • Radius
  • Velocity
  • Mass of particle
  • Radius and Velocity
Answer
Radius

These JAC MCQs for class 11 Physics will help students prepare for the board exam. For more study materials, such as solutions, model papers, syllabus, MCQ Questions, and the latest updates on the JAC Board, please visit our website at JACBoardSolutions.com.

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