34. Unpolarized light is incident on a pair of ideal linear polarizers whose transmission axes make an angle of 45° with each other.
The transmitted light intensity through both polarizers is what percentage of the incident intensity?
(A) 100%
(B) 75%
(C) 50%
(D) 25%
(E) 0%
答案:登入後查看
統計: A(0), B(0), C(8), D(36), E(0) #2020478
統計: A(0), B(0), C(8), D(36), E(0) #2020478
詳解 (共 1 筆)
#4808286
Malus's law : I =(1/2)I0 cos2angle = (1/4)I0 =25% (D)
0
0