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AQA AS PHYSICS DATA AND FORMULAE
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AQA AS PHYSICS DATA AND FORMULAE
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For use in exams from the June 2016 𝑒 1.60 × 10–19 CSeries onwards ℎ 6.63 × 10–34 Js
DATA - FUNDAMENTAL CONSTANTS AND 𝐺 6.67 × 10–11 N m2 kg–2
VALUES 𝑁A 6.02 × 1023 mol–1
AQA AS PHYSICS DATA
𝑅 8.31 J K–1 mol–1
𝑘 1.38 × 10–23 J K–1
–8 –2 –4
Quantity Symbol Value Units
speed of light in vacuo permeability of Sun 1.99 × 1030 6.96 × 108
free space permittivity of free space
Earth 5.97 × 1024 6.37 × 106
magnitude of the charge of electron the
𝑐 3.00 × 10 8 m s 0 4π × 10–7
–1
Planck constant gravitational constant
H m–1
the Avogadro constant molar gas
constant the Boltzmann constant the 0 8.85 × 10–12 F m–1
Stefan constant the Wien constant
electron rest mass (equivalent to 5.5 ×
10–4 u) magnitude of electron
charge/mass ratio
proton rest mass (equivalent
to 1.00728 u) proton
5.67 × 10 W m K 2.90 × 10–3
charge/mass ratio
mK
neutron rest mass (equivalent 𝑚e 9.11 × 10–31 kg
to 1.00867 u) gravitational field 𝑒
1.76 × 1011 C kg–1
strength acceleration due to
𝑚e
gravity atomic mass unit (1u is
𝑚p 1.67(3) × 10–27 kg
equivalent to 931.5 MeV)
𝑒
9.58 × 107 C kg–1
ALGEBRAIC EQUATION 𝑚p
𝑚n 1.67(5) × 10–27 kg
b2
quadratic equation x= − ±b −4ac 𝑔 9.81 N kg–1
2a
𝑔 9.81 m s–2
ASTRONOMICAL DATA
u 1.661 × 10–27 kg
Body Mass/kg Mean radius/m
, GEOMETRICAL EQUATIONS
arc length circumference volume of sphere = πr3
=r
of circle area of circle = 2πr
curved surface area of = πr2
cylinder surface area
of sphere = 2πrh
= 4πr2
Version 1.6 1
Particle Physics Waves
Class Name Symbol Rest energy/MeV 1
wave speed 𝑐 = 𝑓𝜆 period 𝑓=
photon photon 0 𝑇
lepton neutrino e 0 first 1 𝑇 harmonic
𝑓 = 2𝑙𝜇
µ 0
fringe 𝐷 diffraction
electron
e± 0.510999 spacing 𝑤=𝑠 grating 𝑑 sin 𝜃 = 𝑛𝜆
muon 105.659 𝑐
µ± refractive index of a substance s, 𝑛 =
𝑐s
mesons π meson π± 139.576
for two different substances of refractive indices n1 and n2, law
π0 134.972
of refraction 𝑛1 sin 𝜃1 = 𝑛2 sin 𝜃2 critical angle sin 𝜃𝑐 = 𝑛1
K meson K± 493.821 for 𝑛1 > 𝑛2
K0 497.762 Mechanics
baryons proton p 938.257 moments
velocity and
neutron n 939.551
Properties of
quarks acceleration
antiquarks have
Baryon
Type Charge Strangeness opposite signs
number
equations of motion
u + e + 0
force force
impulse work,
d − e + 0
energy and
power
s − e + −1
1
Version 1.6
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