Wave vs. Particle Model

Who first described light as a wave?

• Christiaan Huygens

• Isaac Newton

• Max Planck

• Albert Einstein

What did Isaac Newton use to support his particle theory of light?

• Prisms

• Diffraction

• Double-slit experiment

• Photoelectric effect

What experiment showed that light can create interference patterns?

• Diffraction test

• Double-slit experiment

• Prism experiment

• Photoelectric effect

What did Heinrich Hertz discover about light?

• It travels in straight lines

• It can be split into colors

• It is made of quanta

• It can expel electrons from metal

What is a photon?

• A packet of light energy

• A wave of light

• A type of electron

• A color of light