Physics Unit24: Wave Nature of Light (id: 24210acff)

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 polarizer (with its y1 zdp*ccp843rr t0 gxpreferred direction rotat/v3wssm -(9y5uan,98 zt/c pypdc2jl fdb; pxed $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

A. 0.25.
B. 0.50.
C. 0.87.
D. 0.75.


参考答案:  B


本题详细解析: 暂无

微信扫一扫，分享更方便