Photoelectric Effect
A Phenomenon In Which Electrons Are Ejected From A Material When It Absorbs Photons, Supporting Wave Particle Duality.

Polarization
The Orientation Of Oscillations In A Transverse Wave Such As Light.

Plancks Constant
A Fundamental Constant In Quantum Mechanics Relating The Energy Of A Photon To Its Frequency.

Quantum Mechanics
A Branch Of Physics That Describes The Behavior Of Matter And Electromagnetic Waves At Atomic And Subatomic Scales.

Blackbody Radiation
The Electromagnetic Radiation Emitted By An Ideal Object That Absorbs All Incident Electromagnetic Waves.

Photon
A Quantum Of Light And A Fundamental Particle In Electromagnetic Waves.

Relativity
A Branch Of Physics Developed By Einstein That Includes Special And General Relativity.

Wave-Particle Duality
A Principle In Quantum Mechanics Stating That Particles Such As Photons Exhibit Both Wave And Particle Properties.

Special Relativity
A Theory Describing The Relationship Between Space And Time At High Speeds, Including Time Dilation And Length Contraction.

Uncertainty Principle
A Principle Stating That Certain Pairs Of Quantities, Such As Position And Momentum, Cannot Both Be Known Precisely At The Same Time.