Joules to Frequency Problem

Hi guys,

I’m new to the forum, and I was recently asked this question by my friend:

If a light wave has 2.50×10 to the -14 Joules of energy, what is its frequency?

I’m no good at physics, so I was wondering if you guys could give me a hand. I’m completely clueless.

Thanks,

-Torque-King

http://ift.tt/1qOfrZA

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