He came up with this breakthrough equation in his theory, and that is E= nhv.

In this case n is simply a positive integer.

It can be 1, 2, 3, 4, or 5. But n

is restricted only to integer values. There are only certain

values that are allowed. We don't have any fractional values

allowed in this theory. H is now called Planck's constant and

it has a value of 6.626 X 10-34 J*s. And again,

new is the frequency.

The frequency is in units of reciprocal seconds.

So, the energy then, if the frequency is

1/s and Planck's constant is in Joules per second.

So seconds are going to cancel and that gives

us our energy in Joules, for the light.

Remember N is just an integer.

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So light, according to Planck, exhibits quantization.

Discrete amounts of energy are allowed in this equation but those discrete

amounts can only be those that arrive by having energy values of n.