Optical Instruments (id: f79c5acde)

本题目来源于试卷: Optical Instruments，类别为 IB物理学

[填空题]
First-order Bragg diffraction is ;nc; hv4fiwa8 4;6vr wbz5t rxt:jf3qfqu(suzt .45 nobserved at $\mathrm{25.2°}$ related to the crystal surface, with spacing between atoms of 0.24 $nm$.
(a) At what angle will second order be observed? $\phi_2 $=    $^{\circ}\,$
(b) What is the wavelength of the X-rays? $\lambda $ =    nm

参考答案:
空格1: 58.4±2%  空格2: 0.2±2% 


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