Periodic Motion Quiz - CBSE Class 10 Science

Free practice quiz: Periodic Motion (CBSE Class 10 Science). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 10 Science practice quiz has 20 multiple-choice questions on Periodic Motion, and 20 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. What is the period of a pendulum?

   1. The time it takes to complete one oscillation
   2. The time it takes to complete two oscillations
   3. The distance it covers in one oscillation
   4. The force exerted during one oscillation
   Show answer

   Answer: A. The time it takes to complete one oscillation

   The period of a pendulum is defined as the time taken to complete one full oscillation or cycle.

2. What factors affect the period of a simple pendulum?

   1. Mass and length
   2. Length and gravitational acceleration
   3. Mass and gravitational acceleration
   4. Length and initial angle
   Show answer

   Answer: B. Length and gravitational acceleration

   The period of a simple pendulum depends on its length and the acceleration due to gravity; mass does not play a role.

3. What happens to the amplitude of a damped oscillation over time?

   1. It increases
   2. It stays constant
   3. It decreases
   4. It fluctuates randomly
   Show answer

   Answer: C. It decreases

   In damped oscillations, energy is gradually lost due to forces like friction, so the amplitude decreases over time.

4. What does Hooke's Law state concerning springs?

   1. Force is proportional to distance squared
   2. Force is proportional to velocity
   3. Force is proportional to displacement
   4. Force is inversely proportional to displacement
   Show answer

   Answer: C. Force is proportional to displacement

   Hooke's Law states that the force exerted by a spring is directly proportional to its displacement from its equilibrium position (F = -kx).

5. In SHM, what is the phase difference between velocity and displacement?

   1. 0 degrees
   2. 90 degrees
   3. 180 degrees
   4. 270 degrees
   Show answer

   Answer: B. 90 degrees

   In SHM, velocity leads displacement by 90 degrees, as displacement is at maximum when velocity is zero and vice versa.

More questions in this quiz

Answers and explanations are in the full quiz.

1. Which of the following best describes periodic motion?
2. What is an example of periodic motion?
3. Why is Earth’s rotation considered periodic motion?
4. How does increasing the length of a pendulum affect its period?
5. What is the relationship between frequency and period in periodic motion?
6. Which of the following is not a characteristic of uniform circular motion?
7. Why is a pendulum clock considered a simple harmonic oscillator?
8. Which equation represents the motion of a simple harmonic oscillator?
9. In a simple pendulum, what effect does the mass of the bob have on the period?
10. How does the angular frequency relate to the period in simple harmonic motion (SHM)?
11. Which property describes the energy conservation in an ideal simple harmonic oscillator?
12. What is the equation of motion for a spring-mass system?
13. What distinguishes a damped oscillator from an undamped one?
14. What is the significance of the natural frequency in oscillatory systems?
15. How does resonance occur in an oscillatory system?

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