Damped Oscillation
Mediumphysics
In damped oscillation amplitude decreases because?
Select the correct option:
Solution
Incorrect! Answer:
Non-conservative forces dissipate energy
- Damping: This refers to the gradual reduction in the amplitude of an oscillating system due to resistive forces (like air drag or internal friction).
- Conservative vs Non-conservative: In an ideal SHM, total energy is conserved. Non-conservative forces (like friction) do work that depends on the path, converting mechanical energy into heat.
- Energy Dissipation: Since total energy E∝A2, a loss of energy leads to a decrease in amplitude.
- Envelope: The amplitude typically decays exponentially with time (A=A0e−bt/2m).
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About This Question
- Subject
- physics
- Chapter
- oscillations and waves
- Topic
- damped oscillation
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Non-conservative forces dissipate energy
- Damping: This refers to the gradual reduction in the amplitude of an oscillating system due to resistive forces (like air drag or internal friction).
- Conservative vs Non-conservative: In an ideal SHM, total energy is conserved. Non-conservative forces (like friction) do work that depends on the path, converting mechanical energy into heat.
- Energy Dissipation: Since total energy E∝A2, a loss of energy leads to a decrease in amplitude.
- Envelope: The amplitude typically decays exponentially with time (A=A0e−bt/2m).
This medium difficulty physics question is from the chapter oscillations and waves, covering the topic of damped oscillation. It appeared in the 2025 exam.
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