12解答:2.答案:(A)解析:λ=5000Å=5×10-5cmΔy=drλ=d1051005- =0.5d=0.01cm以兩片刀片畫出的雙狹縫間距d,恰等於刀片的厚度,如圖所示。3.答案:(D)解析:(甲) ...
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