Asked by Sarah

Orange light has a frequency of 4.8 x 10^14 s^ -1.
What is the energy of one quantum of orange light?
Answered by DrBob222
E = hf.
E in joules
h Planck's constant
f frequency
Answered by Serena
I have all that information, but I still don't understand how to do it.

How would you find the constant. And what does the s^ -1 stand for?
Answered by DrBob222
You can Google Planck's constant and find it is 6.636E-34
f is 4.8E14 so
E = 6.636E-34 x 4.8E-34 = ?
the Hz^-1 is the unit for frequency. The old name was cycles/second; herz is the new name and it is per second.
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