Topic 1 Flashcards
0
Q
Time
Passage of light across nucleus
Age of universe
A
10^-22
10^18
1
Q
Electron mass
Universe mass all kg
A
10^-30
10^53
2
Q
Sizes (m)
```
Subnuclear particles
Nucleus H atom diameter
H atom diameter
Ratio
Extent of visible universe
~~~
A
10^-15 10^-15 10^-10 (10^4) 10^25
3
Q
Vector quantities
A
Velocity Momentum Displacement Field strength Forces Acceleration
4
Q
Fundamental units
A
Kg s (time) m Ampere Mol
5
Q
Uncertainties (analogue vs digital)
A
Analogue: half division (.5)
Digital: 1 division (.1)
6
Q
Accurate vs precise
A
Accurate: small systematic error
Precise: decimal places and close together
7
Q
Energy types
A
Gravitational Radiation Electrical Elastic Nuclear Sound Internal Chemical Kinetic
