Ast 115
2-5-24
•James Cleric Maxwell Said light is a electricmagnetic wave
Wave
•Freaquncy (F) = How many peeks are Passing by every Single Second
hip
• Speed of light (C) = 3x10 m/s
C=FA
Energy of light
light Types of Electric Magnetic Radiation-
Ehf
long
Radio
Low
Low
Low
long
infraed (given off by hot objects)
Visible
ultraviolet (given off by the Sun)
↓X-Rays (Can Penetrate living tissue) high Short Garmma Ray's (given off by radioactive gamerays)
high
Short
Atomic physics
2-7-24
• An atom has a nucleus (Protons Surrounded by Electrons.
+ Neutrons)
Atomic numbers = # of Protons
mass
( Atomic # = 6
Neutron number = # of Neutrons
neutron #=8
mass number = # of protons & Neutrons