-Has a dual nature, acts as particle and waves.
-The only type of energy visible to humans but it is a small part of electromagnetic waves.
Highest Frequency to lowest frequency:
-Gamma Rays (highest Frequency)
-X-Rays
-UV Rays
-Visible Light
- Infrared
- Microwaves
-Radio Waves (Lowest Frequency)
Light Rays -> travel in straight line.
Transparent Objects allow light to pass through completely, translucent - partially and opaque - do not allow - Shadows are formed when light stopped.
Light travels fastest at the speed of 300,000 km/s
In dense mediums, light travels at a slower speed.
