本题目来源于试卷: The Wave Nature of Light，类别为 通用国际物理
[问答题]
For a diffraction grating, what is the advanta )4b kq eqgva-9ha1we(gs7qrvjngdq( hiu5 b, s//g00fe of (a) many slits, (b) closely spaced slitsh qqrjb0gissgn/dvuf,0/ (5 7?
参考答案: (a) The advantage of having many slits in a
diffraction grating is that this makes the bright maxima
in the
interference pattern more sharply defined, brighter, and narrower.
(b) The
advantage of having closely spaced slits in a diffraction grating is that this
spreads out the
bright maxima in the interference pattern and makes
them easier to measure.
本题详细解析:
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