Homework Question 1.37 6th Ed


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Phoebe Chen 4I
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Joined: Fri Sep 28, 2018 12:29 am

Homework Question 1.37 6th Ed

Postby Phoebe Chen 4I » Thu Oct 11, 2018 12:40 am

I know that I am supposed to use De Broglie's Equation, however I am not sure how their wavelengths would be different if they have essentially the same values for momentum. With everything else being a constant value, wouldn't their wavelengths be the same? I've attached question 1.37 6th Edition.
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705192887
Posts: 77
Joined: Fri Sep 28, 2018 12:18 am

Re: Homework Question 1.37 6th Ed

Postby 705192887 » Thu Oct 11, 2018 12:47 am

This is just a guess, but maybe use the mass for the neutron as the mass from the isotope? That way, the two masses are slightly different and will have different wavelengths. For example, carbon has an atomic mass of 12.011. The proton weight would be 6, and the neutron weight would be 6.011. Maybe this is meant by the two weights?? Hope this helps!!

Tam To 1B
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Joined: Fri Sep 28, 2018 12:25 am

Re: Homework Question 1.37 6th Ed

Postby Tam To 1B » Thu Oct 11, 2018 12:58 pm

I think this question is meant to show that their wavelengths are basically going to be the same. Since they are so close in size, there is very little difference, so you can say they are almost identical.


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