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Problem 1.23

Posted: Mon Oct 16, 2017 8:09 pm
by Lily Guo 1D
Problem 1.23 gives the energy of gamma ray photons in kiloelectronvolts. Do we have to know the conversion between KeV and joules or do you guys think that energy will be given to us in J?

Re: Problem 1.23

Posted: Mon Oct 16, 2017 8:17 pm
by Thompson W 2C
I believe the conversion is given on a sheet of constants and equations, which is attached to the tests. Here is the sheet: https://lavelle.chem.ucla.edu/wp-conten ... ations.pdf

Re: Problem 1.23

Posted: Mon Oct 16, 2017 9:32 pm
by Lily Guo 1D
Thompson W 3B wrote:I believe the conversion is given on a sheet of constants and equations, which is attached to the tests. Here is the sheet: https://lavelle.chem.ucla.edu/wp-conten ... ations.pdf


Thank you so much! I didn't see that earlier.

Re: Problem 1.23

Posted: Tue Oct 17, 2017 1:21 pm
by Jennie Fox 1D
The conversion between KeV and Joules will be given either in the problem or on the conversion/formula sheet. We are not expected to memorize the conversion.

1 eV = 1.6022 x 10^-19 J