所屬科目:轉學考-物理
(b) the force exerted by the wall at this angle θ = 45°.
(b) The 150 eV electron beam are directed at a spacing D = 0.2 nm crystal. Find the angular position of the first diffraction maxima angleθ.
(b) If the particle in theexcited state.What is the possibility to find the particle in region in between x = 0 and x= L/3.