Physics data booklet

[Pages:18]Physics data booklet

First assessment 2016

Diploma Programme Physics data booklet

Published June 2014 Revised edition published November 2016

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Contents

Mathematical equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Fundamental constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Metric (SI) multipliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Unit conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical circuit symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Equations--Core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Equations--AHL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Equations--Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Physics data booklet

Physics data booklet

Mathematical equations

Area of a circle

A = r2 , where r is the radius

Circumference of a circle Surface area of a sphere

C = 2r , where r is the radius A = 4r 2 , where r is the radius

Volume of a sphere

V = 4 r3 , where r is the radius 3

Physics data booklet

1

Fundamental constants

Quantity Acceleration of free fall (Earth's surface)

Gravitational constant

Symbol

g

9.81m s-2

Approximate value

G

6.67 ? 10-11 Nm2 kg-2

Avogadro's constant

NA

6.02 ? 1023 mol-1

Gas constant

R

8.31JK-1 mol-1

Boltzmann's constant

kB

1.38 ? 10-23 JK-1

Stefan?Boltzmann constant

5.67 ? 10-8 W m-2 K-4

Coulomb constant

k

8.99 ? 109 Nm2 C-2

Permittivity of free space Permeability of free space

0

8.85 ? 10-12 C2 N-1 m-2

?0

4 ? 10-7 T m A-1

Speed of light in vacuum

c

3.00 ? 108 m s-1

Planck's constant

h

6.63 ? 10-34 J s

Elementary charge

e

1.60 ? 10-19 C

Electron rest mass Proton rest mass

me 9.110 ? 10-31 kg = 0.000549 u = 0.511MeV c-2 mp 1.673 ? 10-27 kg = 1.007276 u = 938MeV c-2

Neutron rest mass Unified atomic mass unit

mn 1.675 ? 10-27 kg = 1.008665 u = 940MeV c-2

u

1.661? 10-27 kg = 931.5MeV c-2

Solar constant

S

1.36 ? 103 W m-2

Fermi radius

R0

1.20 ? 10-15 m

2

Physics data booklet

Metric (SI) multipliers

Prefix peta tera giga mega kilo hecto deca deci centi milli micro nano pico femto

Abbreviation P T G M k h da d c m ?

n p f

Unit conversions

1 radian (rad) 180?

Temperature (K) = temperature (?C) + 273 1 light year (ly) = 9.46 ? 1015 m 1 parsec (pc) = 3.26 ly 1 astronomical unit (AU) = 1.50 ? 1011 m 1 kilowatt-hour (kWh) = 3.60 ? 106 J hc = 1.99 ? 10-25 Jm = 1.24 ? 10-6 eV m

Value 1015 1012 109 106 103 102 101 10?1 10?2 10?3 10?6 10?9 10?12 10?15

Physics data booklet

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Electrical circuit symbols

cell

battery

ac supply

switch

voltmeter

V

ammeter

A

resistor

variable resistor

lamp

light-dependent resistor (LDR)

transformer

potentiometer thermistor

heating element

diode

capacitor

4

Physics data booklet

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