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SAPLING homework #4(for me)

Posted: Thu Oct 22, 2020 1:27 pm
by Bailey Giovanoli 1L
On one of the problems on sapling you are given the question:

What is the maximum number of electrons that could be ejected from this metal by a burst of photons (at some other frequency) with a total energy of 7.34×10−7 J?

In the first Part of the problem, I had to solve for the threshold energy. I am expected to use that when carrying over into part b, right? If I didn’t, I don’t think there is enough information to solve the problem. I just wanted to clarify.

Re: SAPLING homework #4(for me)

Posted: Thu Oct 22, 2020 1:32 pm
by NayeliPlayas_1L
For part B to get your maximum number of electrons you would divide your total energy by the work function which you got on part a. In other words, yes you would use part a to answer part b.

Re: SAPLING homework #4(for me)

Posted: Thu Oct 22, 2020 1:35 pm
by Ann Cosico 2H
Yeah! You would use the amount you got for the work function for the second part of the question. This amount would be divided with the total energy in J to get the maximum number of electrons.

Re: SAPLING homework #4(for me)

Posted: Thu Oct 22, 2020 1:39 pm
by Bailey Giovanoli 1L
Thank you! I’ve got it now!