Quick Revision | Class 11 & 12
Class 11 Physics Formulas
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1. Motion in a Straight Line: v = u + at, s = ut + 1/2 at²
2. Work, Power, Energy: W = F·d·cosθ, KE = 1/2 mv², PE = mgh
3. Gravitation: F = Gm1m2/r², g = GM/R², v_escape = √(2GM/R)
4. Oscillations: T = 2π√(l/g), f = 1/T
5. Waves: v = fλ, ω = 2πf
Class 12 Physics Formulas
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1. Electrostatics: F = kq1q2/r², E = F/q, V = kq/r
2. Current Electricity: V = IR, P = VI = I²R = V²/R
3. Magnetism: F = qvBsinθ, Magnetic flux Φ = BAcosθ
4. Optics: 1/f = 1/v - 1/u, m = h'/h = v/u
5. Modern Physics: E = mc², E = hf = hc/λ, λ = h/p
Useful Constants:
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Gravitational constant (G) = 6.67 × 10■¹¹ N·m²/kg²
Speed of light (c) = 3 × 10■ m/s
Planck's constant (h) = 6.63 × 10■³■ J·s
Elementary charge (e) = 1.6 × 10■¹■ C