Summary "Physics Formulas Cheat Sheet – Last-Minute Revision!"

Important Physics Formulas
Given below is the most important Physics formulae list:
• Planck constant h = 6.63 × 10−34 J.s = 4.136 × 10-15 eV.s
• Gravitation constant G = 6.67×10−11 m3 kg−1 s−2
• Boltzmann constant k = 1.38 × 10−23 J/K
• Molar gas constant R = 8.314 J/(mol K)
• Avogadro’s number NA = 6.023 × 1023 mol−1
• Charge of electron e = 1.602 × 10−19 C
• Permittivity of vacuum 0 = 8.85 × 10−12 F/m
• Coulomb constant 1/4πε0 = 8.9875517923(14) × 109 N m2/C2
• Faraday constant F = 96485 C/mol
• Mass of electron me = 9.1 × 10−31 kg
• Mass of proton mp = 1.6726 × 10−27 kg
• Mass of neutron mn = 1.6749 × 10−27 kg
• Stefan-Boltzmann constant σ = 5.67 × 10−8 W/(m2 K4)
• Rydberg constant R∞ = 1.097 × 107 m−1
• Bohr magneton µB = 9.27 × 10−24 J/T
• Bohr radius a0 = 0.529 × 10−10 m
• Standard atmosphere atm = 1.01325 × 105 Pa
• Wien displacement constant b = 2.9 × 10−3 m K .
• Wave = ∆x ∆t wave = average velocity ∆x = displacement ∆t = elapsed
time.
• Vavg = (vi + vf*)2
Vavg = The average velocity
vi = initial velocity
vf = final velocity
• a = ∆v ∆t,
a = acceleration

, ∆v = change in velocity
∆t = elapsed time.




• ∆x = vi∆t + 1/2 a(∆t)2
∆x = the displacement
vi = the initial velocity
∆t = the elapsed time
a = the acceleration
• ∆x = vf∆t − 1/2 a(∆t)2
∆x = displacement
vf = is the final velocity
∆t = elapsed time
a = acceleration
• F = ma
F = force
m = mass
a = acceleration
• W = mg
W = weight
m = mass
g = acceleration which is due to gravity.
• f = µN
f = friction force
µ = coefficient of friction
N = normal force
• p = mv