AS Physics data and formulae

Data and formulae




AS Physics data and
formulae
For use in exams from the June 2016 Series onwards
DATA - FUNDAMENTAL CONSTANTS AND VALUES
Quantity Symbol Value Units

speed of light in vacuo 𝑐 3.00  108 m s–1
permeability of free 4  10–7 H m–1
0
space permittivity of 8.85  10–12 F m–1
0
free space 𝑒 1.60  10–19 C
magnitude of the charge of ℎ 6.63  10–34 Js
electron
the Planck constant 𝐺 6.67  10–11 N m2 kg–2

gravitational 𝑁A 6.02  1023 mol–1

constant the 𝑅 8.31 J K–1 mol–1

Avogadro constant 𝑘 1.38  10–23 J K–1

molar gas constant 5.67  10–8 W m–2 K–4

the Boltzmann 2.90  10–3 mK

constant the Stefan
constant
the Wien constant
electron rest mass
(equivalent 𝑚e 9.11  10–31 kg
to 5.5 × 10 –4 u)
𝑒
magnitude of electron charge/mass 1.76  1011 C kg–1
ratio 𝑚e
proton rest mass
(equivalent to 1.00728 𝑚p 1.67(3)  10–27 kg
u)
𝑒
proton charge/mass 9.58  107 C kg–1
ratio 𝑚p

neutron rest mass
(equivalent to 1.00867 u) 𝑚n 1.67(5)  10–27 kg
gravitational field strength
𝑔 9.81 N kg–1
acceleration due to
𝑔 9.81 m s–2
gravity atomic mass unit
(1u is equivalent to 931.5 u 1.661  10–27 kg
MeV)



Data and formulae

, ALGEBRAIC EQUATION GEOMETRICAL EQUATIONS

 b b2  4ac arc length =r
quadratic equation x
2a circumference of circle = 2r
ASTRONOMICAL DATA area of circle = r2
Body Mass/kg Mean radius/m curved surface area of = 2rh
cylinder
Sun 1.99 × 1030 6.96 × 108 surface area of sphere = 4r2
4
Earth 5.97 × 1024 6.37 × 106 volume of sphere r3
3
=




2 Version
1.6