June 2017
AQA YEAR 1 A LEVEL PHYSICS EQUATIONS
Section Given formulas Formulas to remember
Photons Minimum energy for pair
and production
Emin = hfmin = 2E0
energy
levels Minimum energy for
annihilation
Emin = hfmin = E0
Threshold frequency
f=φ/h
Waves Wave speed
c=d/t
Path difference with
constructive interference
=nλ
Path difference with
destructive interference
=(n+½)λ
Tension
T=mg
Mass per unit length
μ=M/L
Mechanics Horizontal component
Vx=Vcosθ
Vertical component
Vy=Vsinθ
Velocity
V=Δx/Δt
Momentum
p=mv
Work done
W=Fs
1
, June 2017
Materials Work done
W=½E ΔL
Electricity Power
P=E/t
Energy
E=VIt
E=(V2/R)t
E=I2Rt
emf
Ɛ=V+v
V=Ɛ-v
V=Ɛ-Ir
Potential divider
Vout = Vin(R2/R1+R2)
2
AQA YEAR 1 A LEVEL PHYSICS EQUATIONS
Section Given formulas Formulas to remember
Photons Minimum energy for pair
and production
Emin = hfmin = 2E0
energy
levels Minimum energy for
annihilation
Emin = hfmin = E0
Threshold frequency
f=φ/h
Waves Wave speed
c=d/t
Path difference with
constructive interference
=nλ
Path difference with
destructive interference
=(n+½)λ
Tension
T=mg
Mass per unit length
μ=M/L
Mechanics Horizontal component
Vx=Vcosθ
Vertical component
Vy=Vsinθ
Velocity
V=Δx/Δt
Momentum
p=mv
Work done
W=Fs
1
, June 2017
Materials Work done
W=½E ΔL
Electricity Power
P=E/t
Energy
E=VIt
E=(V2/R)t
E=I2Rt
emf
Ɛ=V+v
V=Ɛ-v
V=Ɛ-Ir
Potential divider
Vout = Vin(R2/R1+R2)
2
