Textbook Questions


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Alexa Pham 1D
Posts: 69
Joined: Wed Sep 30, 2020 10:03 pm

Textbook Questions

Postby Alexa Pham 1D » Wed Oct 14, 2020 9:05 am

This is a general question regarding the textbook questions I was doing for this section. When I was doing the textbook problems using the formulas we learned in "the quantum world," I would always get an answer that was slightly off from the answer key and I'm confused why I keep getting answers like that. Does anyone have that same problem or is it just me?

John Pham 3L
Posts: 138
Joined: Wed Sep 30, 2020 9:49 pm
Been upvoted: 4 times

Re: Textbook Questions

Postby John Pham 3L » Wed Oct 14, 2020 9:19 am

You might be using slightly different values for the constants or maybe have rounding errors.
I would search up these questions to see how other people did their calculations and compare

Vivian Leung 1C
Posts: 208
Joined: Wed Sep 30, 2020 10:09 pm

Re: Textbook Questions

Postby Vivian Leung 1C » Wed Oct 14, 2020 9:21 am

It happens to me sometimes and it might be due to how your calculator rounds or how many places you use in terms of the constants or equation values to get to your answer.

Alexa Pham 1D
Posts: 69
Joined: Wed Sep 30, 2020 10:03 pm

Re: Textbook Questions

Postby Alexa Pham 1D » Wed Oct 14, 2020 9:45 am

I just realized that I was putting in the wrong value for Planck's constant the whole time :((((
I thought it was 6.26 x 10^-34 but it's actually 6.626 x 10^-34


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