Advanced level formulae – shortened version

This is a shortened list of formulae that you might need for the first year of your advanced Physics course. For a fuller list please use the Formulae file.

Quantity / Formula
Acceleration / Acceleration = change in speed/time taken
De Broglie equation / Wavelength of particle () = h/mv
Density / Density = mass/volume
Double slit interference / = ax/D
Electric current / Current () = charge/time = Q/t
Electrical energy / Energy = VIt
Electrical resistance / R = voltage/current = V/I
Force / F = ma
Force on a current in a magnetic field / Force = BIL sin 
Gravitational potential energy / Gravitational potential energy = mgh
Kinetic energy / Kinetic energy = ½ mv2
Moment of a force / Moment = Force x distance from pivot
Momentum / Momentum = mass x velocity
Photoelectric effect / hf =  + ½ mv2
Photon energy / Energy (E) = Planck's constant (h) x frequency
Potential difference / V = W/Q = energy/charge = Power/Current
Power / Power = Work/Time = Force x velocity
Power / Power = V = V2/R =I2R
Pressure / P = Force/Area
Refractive index / Refractive index (n) = sin i/ sin r = ci/cr
Resistivity / Resistivity () = RA/L
Resistors in parallel / 1/R = 1/R1 + 1/R2 + 1/R3 etc.
Resistors in series / R = R1 + R2 + R3 etc.
Speed / Speed = distance/time
Strain / Extension/Original length ()
Stress / Force/Area ()
Torque of a couple / Torque = Force x distance between forces
Uniformly accelerated motion / s = ut + ½ at2 v2 = u2 + 2as
Wave speed / Wave speed = frequency x wavelength
Weight / W = mg
Work done / Work = Force x distance
Young modulus / E = Stress/Strain = FL/eA