Class 11 Physics
Mechanics, Thermal Physics and Waves
- Velocity: v = u + at
- Displacement: s = ut + (1/2)at^2
- Newton's law: F = ma
- Work: W = Fs cos theta
- Kinetic energy: KE = (1/2)mv^2
- Potential energy: PE = mgh
- Ideal gas law: PV = nRT
- First law: dU = Q - W
- SHM period: T = 2pi sqrt(m/k)
- Wave speed: v = nu lambda
Class 11 Chemistry
Basic Concepts, Atom and Equilibrium
- Molarity: M = n/V
- Molality: m = n/kg solvent
- Percentage composition: (mass of element / molar mass) x 100
- de Broglie wavelength: lambda = h/mv
- Bohr energy: En = -13.6 Z^2/n^2 eV
- Enthalpy change: dH = Hproducts - Hreactants
- Gibbs free energy: dG = dH - TdS
- Equilibrium constant: Kc = [products]/[reactants]
- pH: pH = -log[H+]
Class 11 Biology
Cell, Plant and Human Physiology
- Binomial nomenclature: Genus + species
- Osmotic pressure: pi = CRT
- Enzyme equation: v = Vmax[S]/(Km + [S])
- Photosynthesis: 6CO2 + 12H2O -> C6H12O6 + 6O2 + 6H2O
- Cardiac output: CO = HR x SV
- Minute ventilation: tidal volume x respiratory rate