# What is the energy of one photon radiation? (Probably super basic for you)

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So, this is given question:
The radio station emits radiation power of 6 kW, wavelength 3 m.
a) What is the energy of one photon radiation?
b) How many photons are emitted in 5s?

Just to don't get confused, photons are the same as quinces (because I got confused there, teacher didn't told us that lol). Probably super-simple task, but I can't solve this.

I tried this:

a)$E=h*f=h\tfrac{c}{f}$

But here I came across problems, I know that h is const., but don't know what is going to be with c and f...

*Sorry if I posted this in wrong category*

Closed as per community consensus as the post is not graduate-level