ANY HELP IS MUCH APPRECIATED, I ALWAYS RATE, THANKS! Could proton diffraction be

Question

ANY HELP IS MUCH APPRECIATED, I ALWAYS RATE, THANKS! Could proton diffraction be an interesting technique for theinvestigation of molecular structure? Why? To what speed must aproton be accelerated for it to have a wavelength of 100pm? Whataccelerating potential difference is needed? ANY HELP IS MUCH APPRECIATED, I ALWAYS RATE, THANKS! Could proton diffraction be an interesting technique for theinvestigation of molecular structure? Why? To what speed must aproton be accelerated for it to have a wavelength of 100pm? Whataccelerating potential difference is needed?

Explanation / Answer

= h/mv v = h/(m) = (6.626e-34 Js)/(1.67e-27 kg *100e-12 m) =3967.66467 m/s ~ 4.00 x 103 m/s KE = charge*potential = 0.5*m*v^2 potential = (m*v2/2q) = (1.67e-27 kg *(4.00e3m/s)2 /(2*1.60e-19 C)) = 0.0821554566 ~ 0.0822 V Potential difference is feasible, so proton diffraction isfeasible, but perhaps electron diffraction is still better

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