Photoelectric effect (cameras)

What about the light needed to be changed to start ejecting electrons?

• brightness

• color

• distance

What did Einstein's Nobel Prize-winning explanation reveal about light?

• Light is a type of chemical reaction

• Light is a form of sound

• Light is made up of tiny particles called photons

• Light is only a wave

Why can't visible light knock an electron out of metal?

• It is too dim

• It is too bright

• It has too little energy

• It has too much energy

Why can UV light burn your skin but visible light cannot?

• Visible light is brighter

• Visible light is hotter

• UV light has higher energy photons

• UV light has more photons

The photoelectric effect happens when a sensor turns light into ________ for a pixel.

(a)  

• electricity
• visible light
• UV
• photons
• protons
• neutrons
• CMOS