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/EX1.26/1_26.sce | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100755 1949/CH1/EX1.26/1_26.sce (limited to '1949/CH1/EX1.26/1_26.sce') diff --git a/1949/CH1/EX1.26/1_26.sce b/1949/CH1/EX1.26/1_26.sce new file mode 100755 index 000000000..fd819fab3 --- /dev/null +++ b/1949/CH1/EX1.26/1_26.sce @@ -0,0 +1,17 @@ +//Chapter-1,Example 1_26,Page 1-48 +clc() + +//Given Data: +i=45*%pi/180 //angle of incidence +u=4/3 //Refractive index of soap film +lam=5*10^-7 //wavelength of light +t=1.5*10^-6 //thickness of film + +//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 +n=2*u*t*cos(r)/lam //order of band +printf('order of dark band is =%.1f \n',n) -- cgit