Acoustics of Building
December 8, 2016(1) Intensity Level $$ L = 10 log_10(I/I_0) \text"(in dB)" $$ where, L is loudness (2) Sabine’s Formula $$ T... View Article
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Diffraction
December 8, 2016(1) asinθ = nλ (Direction of minima for single silt) where, a = slit width AB n = order... View Article
Interference
December 8, 2016(1) Intensity of interference pattern, $$I_{max} / I_{min} = (a+1)^2 / (a-1)^2 where, a>1$$ where, $$I_{max} = \text"Maximum Intensity" $$... View Article
Chemical Kinetics
December 8, 2016For a reaction, aA + bB -> cC + dD Average rate = -$1/a {Δ[A]}/{Δt}$ = – $1/b {Δ[B]}/{Δt}$ =... View Article
Electrochemistry
December 8, 2016Electrical Conductance (G): $1/R = I/V$ $R = ρ l/a$ Conductivity of Conductor (k) $G l/a = 1/ρ$ Molar Conductivity... View Article
Chemical Thermodynamics and Energetics
December 8, 2016W = -PΔV (For expansion) W = PΔV (For compression) $W_{max} = -2.303 nRT log_{10}{V_2}/{V_1}$ $W_{max} = -2.303 nRT log_{10}{P_1}/{P_2}$... View Article
Solution and colligative properties
December 8, 2016Number of moles, $n = W/M$ mol Molarity = $n/V$ mol $dm^{-3}$ (or M) Normality = ${\text"gram eq."}/{V}$ gram eq.... View Article
Solid State
December 8, 2016Number of atoms in the unit cell: $\table \text"Unit Cell",scc,bcc,fcc,hcp;\text"No. of atoms",1,2,4,3$ Packing efficiency $\table scc,bcc,fcc,hcp;52.4%,68%,74%,74%$ Note: 1. Number of... View Article
Application of Derivatives
December 8, 2016y = f(x), point P(a,f(a)) Tangent equation: y – f(a) = f'(a) (x-a) Slope of normal: -${1}/{{dy}/{dx}}$ Formula of approximation:... View Article
Continuity
December 8, 2016$\lim↙{x→0} {sinx}/{x} = 1$ $\lim↙{x→0} {tanx}/{x} = 1$ $\lim↙{x→0} cosx = 1$ $\lim↙{x→0} {a^x – 1}/{x} = log a$ $\lim↙{x→0}... View Article