3 THÍ NGHIỆM vật lý SÓNG

Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 1





 


21101170












6/2014
GVGD:
TS. 




:
VP2012/.1


1. 
41200068
2. Lê Bá Thông
31203656

3. 
41201862

4. 
41202020

5. 
51200977
VT LÝ SÓNG (007708)
GIAO THOA:
- 
- 
NHIỄU XẠ:
- 
- .

Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 2

T M


 (007708)



GIAO THOA 
GIAO THOA 

A.  :
ichelson 

B. 
I- 

- 
- 
- 
- 
- 
- 
ngang.
- 



Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 3

II- 


 



xa  6 và 7.


 
2


1

1

  
1 và 2 a  tinh 

1
và M
2
.



           
 

-3
radian.

2

 


Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 4

C. 
I- 
song:
1.  -neon.
LASER helium-
 
 

 



tc là vào c 0.15, các


Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 5

 


 


















  

  



  



 tani =





D = 2e.tani.
 i = 2e.tani. sini

 


  

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Lớp : VP2012/.1 Trang 6


0
  





thoa.
Các vân trên màn là nh   ng tâm bi vì tt c nhng
ng vu nm trên mng tròn có tâm
và bán kính 
p
.

2.  2: G

D
 = 
 
 

 
 
N



 
1


2
, d
3
, d
4

 
3
24
111
,,
d
dd
ddd


2, 3, 4,

 
hình eclipse.


Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 7

II- Giao thoa k không khí:

 và 

1.  Giao .
 
 
 

m.
 


 
Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 8


    







  




 




    = 2e(x)



2.  4: G 
 :
 

            


   M
1
           

.
  
2
  quêm không khí.
 
 
              

           
3 m






Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 9

T M


 (007708)

2
QUAN SÁT 


A. 

 

B. 
Laser   phát ra ánh sáng có   
.


Nguyên lý Huygens-Fresnel:
- 

- 

- .
- .
 

 






Bài báo cáo thí nghiệm Vật Lý Sóng (007708)

Lớp : VP2012/.1 Trang 13

  



 



  



Thay s vi:
a =



 = 632.8 (nm)
Ta có:
-2.634   2.634
V tht sáng cng
vi p = 0, 1,2.