Calculating Wavelength of Ejected Electron


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taywebb
Posts: 60
Joined: Fri Sep 28, 2018 12:15 am

Calculating Wavelength of Ejected Electron

Postby taywebb » Sat Dec 08, 2018 1:40 pm

If anyone has the same test #2 as me, I am confused on question 4c. It says to calculate the wavelength of the ejected electron, which I assumed would just be de Broglie (wavelength = h/mv). However, when I did that, I got the answer 3.64 x 10-10 m, but my TA wrote the 7.09 x 10-7 m as the write answer on my test. Can someone explain?

Iona Pay
Posts: 43
Joined: Fri Sep 28, 2018 12:15 am

Re: Calculating Wavelength of Ejected Electron

Postby Iona Pay » Sat Dec 08, 2018 11:23 pm

I'm also confused by this - I got the same answer, but my TA corrected it as 1.09x10^-7m. Can anyone else who got it correct explain?


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