Wave Speed String
Easyphysics
Speed of transverse wave on stretched string tension T, linear density μ?
Select the correct option:
Solution
Incorrect! Answer:
√(T/μ)
- Wave Velocity Concept: The speed of a wave in a medium depends on its elastic property (restoring tendency) and its inertial property (resistance to motion).
- For a String:
- Elastic property: Tension T (restoring force to pull string back to equilibrium).
- Inertial property: Linear mass density μ=m/L.
- Formula: v=μT.
- Direct Implication: Increasing the tension makes the wave travel faster; using a heavier (thicker) string slows down the wave.
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About This Question
- Subject
- physics
- Chapter
- oscillations and waves
- Topic
- wave speed string
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
√(T/μ)
- Wave Velocity Concept: The speed of a wave in a medium depends on its elastic property (restoring tendency) and its inertial property (resistance to motion).
- For a String:
- Elastic property: Tension T (restoring force to pull string back to equilibrium).
- Inertial property: Linear mass density μ=m/L.
- Formula: v=μT.
- Direct Implication: Increasing the tension makes the wave travel faster; using a heavier (thicker) string slows down the wave.
This easy difficulty physics question is from the chapter oscillations and waves, covering the topic of wave speed string. It appeared in the 2025 exam.
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