INTRODUCTION
TO LIGHTS
,What is Light?
Light is a form of energy.
Light has properties of both a wave and a
particle.
Light waves move as transverse waves.
Thesewaves move extremely fast in straight
paths called rays
Light waves do not need a medium
through which to move.
Light waves are electromagnetic waves
,Light Waves vs. Sound Waves
LIGHT WAVES
It move as transverse waves
It do not need a medium to travel; they
can travel through empty space
, Light Waves vs. Sound Waves
SOUND WAVES
Are compressional, or longitudinal
Sound waves need a medium to travel;
they cannot travel through empty space.
TO LIGHTS
,What is Light?
Light is a form of energy.
Light has properties of both a wave and a
particle.
Light waves move as transverse waves.
Thesewaves move extremely fast in straight
paths called rays
Light waves do not need a medium
through which to move.
Light waves are electromagnetic waves
,Light Waves vs. Sound Waves
LIGHT WAVES
It move as transverse waves
It do not need a medium to travel; they
can travel through empty space
, Light Waves vs. Sound Waves
SOUND WAVES
Are compressional, or longitudinal
Sound waves need a medium to travel;
they cannot travel through empty space.