## Wave vs. Photon

$c=\lambda v$

Alma Carrera 3C
Posts: 33
Joined: Fri Apr 06, 2018 11:02 am

### Wave vs. Photon

Can someone please explain what the difference is between a wave of light and a photon of light? Thanks :)

Brian Cook
Posts: 34
Joined: Fri Sep 28, 2018 12:15 am

### Re: Wave vs. Photon

I think the important takeaway is that light has both the properties of a wave and a particle/photon, depending on the situation. The photoelectric experiment showed that light cannot eject electrons without the correct frequency, showing that it doesn't act like a wave, because if it always acted like a wave an increase in intensity would've been sufficient to eject the electrons from the metal surface, which it wasn't However, in the diffraction experiment, light was canceled out by its own interfering waves, showing it also has wavelike properties.

Diego Gonzalez 3F
Posts: 32
Joined: Fri Sep 28, 2018 12:26 am

### Re: Wave vs. Photon

A photon is a packet carrying light energy. These photons travel in waves. Intensity of light can be thought of as the amount of photons.