第八章单元测试
  1. The direction of polarization of an electromagnetic wave is defined to be the direction of the magnetic-field vector. ( )

  2. A:对 B:错
    答案:错
  3. when the angle of incidence is equal to the polarizing angle (Brewster’s angle) the reflected ray and the refracted ray are perpendicular to each other. ( )

  4. A:对 B:错
  5. The unpolarized light with intensity of 0 I is incident on two parallel ideal polarizers, if the angle between the axes of the two filters is 60º, the intensities transmitted through the second polarizer is ( ).

  6. A: 0 0.25 I B:0 C: 0 0.125 I D: 0 I
  7. Malus’s law is expressed as: ( )

  8. A: 2 0 cos II j = B: 0 sin II j = C: 0 cos II j = D: 2 0 sin II j =
  9. What is the Brewster angle when light is incident from glass ( 1 1.5 n = )onto the surface of air ( 2 1 n = )?( )

  10. A:33º B:60º C:57º D:30º

温馨提示支付 ¥3.00 元后可查看付费内容,请先翻页预览!
点赞(2) dxwkbang
返回
顶部