Ast115
2-5-24
James Cleric Maxwell Said light is a electricmagnetic wave
wave length
(a)
Freaquncy (F) = How many peeks are Passing by everySingle Second
Speed of light(c) = 3x108 M/s
C=FA
Energy of light
light
E=hf
Types of Electric hagnetic Radiation
long
Radio
E
F
Low
Low
LOW
long
infraed ( given off by hot objects)
Visi
ble
ultraviolet (given off by the Sun)
X Rays (can Penetrate living tissue )
high
Short
Gamma Rays (given off by radioactive gamerays)
high
high
short
Atomic physics
An atom has a nucleus (Protons
2-7-24
Surrouded by Electrons
in Neutrons )
5
mass
Atomic numbers 111 # OF Protons
Neutron number III # of Neutrons
Atomic # = 6
mass number in # of protons & Neutrons
neutron # 8
