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Theory

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Procedure

Simulation

Posttest

References

Feedback

Types of Oscillators: Simple Harmonic, Damped and Forced.

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1. Which of the following is a characteristic of free oscillations?

a: They always require an external periodic force Explanation

Explanation

b: They occur due to internal restoring forces like gravity or elasticity Explanation

Explanation

c: Their amplitude always increases with time Explanation

Explanation

d: They cannot occur in simple pendulums Explanation

Explanation

2. In simple harmonic motion (SHM), the restoring force is:

a: Directly proportional to displacement and opposite in direction Explanation

Explanation

b: Proportional to velocity Explanation

Explanation

c: Constant regardless of displacement Explanation

Explanation

d: Independent of displacement Explanation

Explanation

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

a: It remains constant Explanation

Explanation

b: It gradually decreases Explanation

Explanation

c: It gradually increases Explanation

Explanation

d: It fluctuates randomly Explanation

Explanation

4. Which of the following is an example of a forced oscillator?

a: A tuning fork vibrating in air Explanation

Explanation

b: A car suspension system Explanation

Explanation

c: A pendulum pushed periodically by hand Explanation

Explanation

d: A simple pendulum oscillating freely Explanation

Explanation

5. At resonance in a lightly damped forced oscillator:

a: Amplitude becomes maximum Explanation

Explanation

b: Amplitude becomes zero Explanation

Explanation

c: Amplitude remains constant at all frequencies Explanation

Explanation

d: Oscillations stop completely Explanation

Explanation

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