## photons vs quanta

$c=\lambda v$

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Funmi Baruwa
Posts: 108
Joined: Wed Sep 30, 2020 9:50 pm

### photons vs quanta

In lecture 5, Dr. Lavelle said that "light is emitted in discrete units, quanta or photons"

Can someone explain the difference between quanta and photons?

Faaizah Arshad 1H
Posts: 145
Joined: Wed Sep 30, 2020 10:01 pm
Been upvoted: 2 times

### Re: photons vs quanta

This is an interesting question! I researched into it and found that a photon is the smallest possible particle of LIGHT, whereas a quanta is the smallest particle of ANY atomic/subatomic substance (electrons and neutron). So, a photon is a quanta, but not all quanta are photons.

http://www.quantumphysicslady.org/what- ... 0neutrinos.
Last edited by Faaizah Arshad 1H on Fri Oct 30, 2020 8:26 am, edited 2 times in total.

Funmi Baruwa
Posts: 108
Joined: Wed Sep 30, 2020 9:50 pm

### Re: photons vs quanta

oh okay that makes a lot more sense! Thank you

Alessia Renna 1D
Posts: 51
Joined: Wed Sep 30, 2020 9:36 pm

### Re: photons vs quanta

Quanta are like units --> they are the smallest unit/particle of something. Photons are the smallest unit/particles of light so technically they are quanta of light. :)

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