Magnetic force
F
L
= B q v
F
L
[N]
=
B
[T]
=
q
[C]
=
v
[m s
-1
]
=
Energy of a photon
E
= h f
E
[J]
=
f
[s
-1
]
=
Wavelength
c
= f λ
c
[m s
-1
]
=
f
[s
-1
]
=
λ
[m]
=
Energy of a photon
E
= h (c / λ)
E
[J]
=
λ
[m]
=