polarization Kopal yadav

1. Polarization

2.  ,, ((,, ..) unpolarized..) unpolarized --

3.  ,,

4.  1.1. polarizingpolarizing PolaroidPolaroid ,, ,, Polaroid unpolarizedPolaroid unpolarized
50%50%

5. PolaroidPolaroid
 PolaroidPolaroid ,,
,, PolaroidsPolaroids ,, polarizerpolarizer

6. 2.2.
 unpolarizedunpolarized nonmetallicnonmetallic ,, (())
,

7.  polarizedpolarized ,, PolaroidPolaroid

9. Polarized

11. 3.3.
 (()) ,, reradiatereradiate reradiationreradiation 90.090.0oo unpolarizedunpolarized ...... polarizerpolarizer ,, ((!!!! ))

12.  •• polarizerspolarizers
-- polarizerpolarizer
-- polarizer cos2polarizer cos2

13. 11
 polarizers 35.0opolarizers 35.0o ,, ??
1 o
2
2 1
2
2
2
After the first polarizer:
1
I I
2
After the second polarizer:
I I cos
1
cos 35.0
2
0.336
o
o
o
I I
I I
θ
=
=
 
=  ÷
 
=

14. 22
 9090 polarizerspolarizers polarizerpolarizer
45.0o45.0o polarizerspolarizers ,, ?? 1 0
2 o
2 1
2 o
2 0
2 o
3 2
For the first polarizer:
1
I
2
For the second polarizer:
I I cos 45.0
1
note that cos 45.0
2
1 1 1
2 2 4
For the third polarizer:
1 1 1
I I cos 45.0
4 2 8
o
o o
I
I I I
I I
=
=
=
  
∴ = = ÷ ÷
  
  
= = = ÷ ÷
  

15.  unpolarizedunpolarized ,, unpolarizedunpolarized (())

16.  90o90o

17. :
θ1 θ2
,
, :
1
2
tan
n
n
B =θ
1
2
tan
n
n
B =θ

18. 33
 ((= 1.31)= 1.31) ??
2
1
tan
1.31
tan
1.00
52.6
B
B
B
n
n
θ
θ
θ
=
=
= °

19.  ,, ,,

20.  ,, GreatesGreates