$\frac{4}{p}$  

 $\frac{p}{h}$  

 $ph$  

 $\frac{h}{p}$  

Heisenberg

Bohr

De Broglie

Schrodinger

 $10\ A^{\degree}$  

5 m

 $0.73\ A\degree$  

0.72 m

Light travels in the form of small packets of energy called photons.

Light travels in the form of small packets of energy called quanta.

Light travels in the form of electromagnetic radiation.

Light is made up of tiny particles called corpuscles.

c = λν

λ = c/ν

λ = h / mv

λ = ch / E

h = Planck's constant, m = meters, v = frequency

h = Planck's constant, m = meters, v = velocity

h = Planck's constant, m = mass, v = frequency

h = Planck's constant, m = mass, v = velocity

5.00 x 10^-5 m

5.00 x 10^-6 m

5.00 x 10^-7 m

5.00 x 10^-8 m

Photoelectric effect

Photon

Quantized

Proton