(lambda) - wavelength (meters)

(nu) - frequency (1/seconds), also denoted by * f *!

*c* - speed of light (meters/second)

Some definitions for particles -

*E* - energy (kg meters^{2} /seconds^{2} = Joule (J),
1 eV (electron volt) = 1.602 x 10^{-19} Joules.)

*p* - momentum (= *mv*, *m* - mass (kg), *v* - velocity (meters/second))

*v*=*pc*^{2}/*E* (Result from relativity -
view derivation)

*
If you need help on waves you can
*

To revise waves, see these links for definitions and an example.

To revise relativity, read your notes from Physics 1 or read
Chapter 39 of Serway and Beichner or read
Chapter 1 of Tipler where
eqs 1.39
(*E*^{2}=*p*^{2}*c*^{2} +*m*^{2} *c*^{2})
and 1.40 *(E=pc) *
are derived.
You may come to my office hours or the metargelet's office hours or

``shaot yeutz'' if you need more help.

The example exercises for the first week also include revisions of these topics.

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