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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1949/CH1/EX1.11 | |
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initial commit / add all books
Diffstat (limited to '1949/CH1/EX1.11')
| -rwxr-xr-x | 1949/CH1/EX1.11/1_11.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/1949/CH1/EX1.11/1_11.sce b/1949/CH1/EX1.11/1_11.sce new file mode 100755 index 000000000..548c970b7 --- /dev/null +++ b/1949/CH1/EX1.11/1_11.sce @@ -0,0 +1,20 @@ +//Chapter-1,Example 1_11,Page 1-22
+clc()
+
+//Given Data:
+i=asin(4/5) //angle of incidence
+u=4/3 //Refractive index of a soap film
+lam1=6.1*10^-7 //wavelength of light
+lam2=6*10^-7 //wavelength of light
+
+//Calculations:
+//u=sin i/sin r //Snell's law .So,
+r=asin(sin(i)/u) //angle of reflection
+
+//Now, condition for dark band is
+//2ut*cos r=n*lam
+//for consecutive bands, n=lam2/(lam1-lam2). hence
+
+t=lam2*lam1/((lam1-lam2)*2*u*sqrt(1-(sin(i)/u)^2)) //thickness of film
+printf('Thickness of the film is =%.7f m',t)
+
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