2.1-2.2 Quantities, Units and Conversions Flashcards
What six base units of the SI system are used in A level Physics?
metre, kilogram, second, Ampere, Kelvin, Mole
What six base quantities of the SI system are used in A level physics?
length, mass, time, electric current, absolute temperature, amount of substance
What is the base unit of mass?
kg
what is the base unit of length?
m
What is the base unit of time?
s
what is the base unit of current?
A
what is the base unit of temperature?
K
What is the SI unit of potential difference?
V
What are the SI units of density?
kgm^-3
What is the SI unit of energy?
J
What is the SI unit of power?
W
What is the SI unit of charge?
C
What is 1m^2 in mm^2
10^6mm^2
what is 1m^3 in cm^3
10^6cm^3
what is 1km^2 in m^2
10^6m^2
What is 1cm^3 in mm^3
10^3mm^3
there are 10^24 free charge carriers per m^3 of a material. How many are there per mm^3
10^15
10^6 particles strike each mm^2 of a surface per second. How many strike 1m^2 of the surface per second?
10^12
If there is one particle per mm^3, how many are there per m^3
10^9
Water has a density of 1000kgm^-3. what is this in kgcm^-3?
10^-3
Water has a density of 1000 kgm^-3. what is this in gcm^-3
1
