Photons

"Photo" is a ...........word means .........

Particle model of light failed to explain

• Reflection & Refraction

• Reflection and Diffraction

• Diffraction & Interference

• Diffraction& Refraction

Newton used the word ............ for the particles that he thought made up light

A .................... is a ‘packet of energy’

24 eV = ........................Joules

• 3.84X 10 ^-18J

• 3.84X 10 ^-19J

• 3.84X 10 ^-20J

• 4.84X 10 ^-18J

20x 10 ²J = ............eV

• 2.84X 10 ^-20

• 1.25X 10 ²²

• 1.25X 10 ^-22

• 3.84X 10 ^-18