He proposed the Wave Theory of Light

• Christiaan Huygens

• Isaac Newton

• Alexander the great

______ BRANCH OF PHYSICS WHICH INVOLVES THE BEHAVIOR AND PROPERTIES OF LIGHT, INCLUDING ITS INTERACTIONS WITH MATTER AND THE CONSTRUCTION OF INSTRUMENTS THAT USE OR DETECT IT

• Lens

• Optics

• Balance

Release of light that last no more than about 10 nanosecond after it begins

• INCANDESCENCE

• LUMINESCENCE

• Non- luminous

Object is heated at very high temperature and then it starts to glow

Objects that emit or send off their own light

ex. sun, stars, lightbulbs, lasers

Those that cannot emit their own light

ex. moon, cars buildings

Wave starts from a vibrating body and is transmitted at high speed

• Huygens

• Wave Theory

• Wave motion

Light may travel through a medium known as "ether"

• Huygens' Principle

• Effect of wave

• Light Ray

Light wave is described as a stream of particles

He proposed the Corpuscular/ Emission Theory of Light