From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1949/CH1/EX1.20.2/1_20_2.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 1949/CH1/EX1.20.2/1_20_2.sce

(limited to '1949/CH1/EX1.20.2/1_20_2.sce')

diff --git a/1949/CH1/EX1.20.2/1_20_2.sce b/1949/CH1/EX1.20.2/1_20_2.sce
new file mode 100755
index 000000000..13293ac76
--- /dev/null
+++ b/1949/CH1/EX1.20.2/1_20_2.sce
@@ -0,0 +1,15 @@
+//Chapter-1,Example 1_20_2,Page 1-53
+clc()
+
+//Given Data:
+r=45*%pi/180         //angle of refraction
+u=1.45               //Refractive index of a medium
+lam=5.5*10^-7        //wavelength of required yellow light
+n=1
+
+//Calculations:
+
+//Now, condition for dark fringe is
+//2ut*cos r=n*lam
+t=n*lam/(2*u*cos(r))      //thickness of thin medium
+printf('Thickness of the thin medium is =%.10f m',t)
-- 
cgit