Oscillations
Uttar Pradesh Board · Class 11 · Physics
Complete topic list for Oscillations in Uttar Pradesh Board Class 11 Physics. Key concepts, sub-topics, and what to focus on for board exams.
Topics in Oscillations
Periodic and Oscillatory Motion
- Periodic motion repeats itself after fixed intervals of time called period (T)
- Oscillatory motion is to-and-fro motion about a mean position
- All oscillatory motions are periodic, but not all periodic motions are oscillatory
Simple Harmonic Motion (SHM)
- SHM: displacement varies sinusoidally with time as x(t) = A cos(ωt + φ)
- Amplitude (A): maximum displacement from mean position
- Angular frequency (ω): related to period by ω = 2π/T
SHM and Uniform Circular Motion
- SHM is projection of uniform circular motion on any diameter
- Reference particle moves in circle with radius A and angular speed ω
- x-projection: x(t) = A cos(ωt + φ)
Velocity and Acceleration in SHM
- Velocity: v(t) = -ωA sin(ωt + φ)
- Acceleration: a(t) = -ω²A cos(ωt + φ) = -ω²x(t)
- Maximum velocity: vₘₐₓ = ωA (at mean position)
Key Concepts
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What are the important topics in Oscillations for Uttar Pradesh Board Class 11 Physics?
Oscillations covers several key topics that are frequently asked in Uttar Pradesh Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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