In the formula E=nhf for a photon, what is n ?

[physgirl]

In the formula E=nhf for a photon, what is "n"?

In the formula E=nhf for a photon, what is "n"?
The number of photons? or the energy level?

 

[olgranpappy]

number of photons.

 

[olgranpappy]

...at least, assuming that E and h and f have their typical meanings, then n is the number of photons...

 

[goldy]

n is number of photons..