本题目来源于试卷: Physics Unit24: Wave Nature of Light，类别为 国际高中通用物理
[单选题]
A diffraction grating hay;v7 e;xn q3y.mtawo0s 6000 lw+4 2n ystmfvzac(, n9)d(a poines per centimeter ruled on it. What is the angular separation w)2v fot c(94asdp+,any nmz( between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?
A. $20.5^{\circ}$
B. $30.5^{\circ}$
C. $40.5^{\circ}$
D. $50.5^{\circ}$
参考答案: C
本题详细解析:
暂无
| 
