photoelectric effect

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nicole-2B
Posts: 73
Joined: Fri Aug 30, 2019 12:18 am

photoelectric effect

Postby nicole-2B » Wed Oct 02, 2019 11:04 am

Calculate the energy per photon of ultraviolet radiation of frequency 3.00 x 1015 Hz.

A. 12.4 J

B. 1.99 x 10 -11J

C. 3.16 x 10-19J

D. 1.99 x 10-18J

E. None of the above

Chem_Mod
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Re: photoelectric effect

Postby Chem_Mod » Wed Oct 02, 2019 11:18 am

Is there a specific question about how to solve this problem?

Alan Wu
Posts: 61
Joined: Sat Sep 14, 2019 12:16 am

Re: photoelectric effect

Postby Alan Wu » Fri Oct 04, 2019 6:21 pm

The answer is D.

Simply use the equation E=hv to solve this.

E = 6.63x10^-34 JS * 3.00x10^15 Hz = 1.99x10^-18 J


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