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/EX1.6/1_6.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 1949/CH1/EX1.6/1_6.sce (limited to '1949/CH1/EX1.6') diff --git a/1949/CH1/EX1.6/1_6.sce b/1949/CH1/EX1.6/1_6.sce new file mode 100755 index 000000000..ca3d30ebe --- /dev/null +++ b/1949/CH1/EX1.6/1_6.sce @@ -0,0 +1,23 @@ +//Chapter-1,Example 1_6,Page 1-18 +clc() + +//Given Data: +lam=5.893*10^-7 //Wavelength of light +u=1.42 //Refractive index of a soap film +r=0 //normal incidence +n=1 //first band + +//Calculations: + +//i) +//Condition for dark fringe is +//2ut*cos r=n*lam +t1=n*lam/(2*u*cos(r)) //thickness of film for dark black fringe +printf('Thickness of the film for dark black fringe is =%.10f m \n \n',t1) + +//ii) +//Now, condition for bright fringe is +//2ut*cos r=(2n-1)lam/2 +t2=lam/(2*2*u*cos(r)) //Thickness of film for bright fringe +printf(' Thickness of film for bright fringe is =%.10f m \n \n',t2) + -- cgit