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

---
 2780/CH2/EX2.15/Ex2_15.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 2780/CH2/EX2.15/Ex2_15.sce

(limited to '2780/CH2/EX2.15')

diff --git a/2780/CH2/EX2.15/Ex2_15.sce b/2780/CH2/EX2.15/Ex2_15.sce
new file mode 100755
index 000000000..a5ab5be0c
--- /dev/null
+++ b/2780/CH2/EX2.15/Ex2_15.sce
@@ -0,0 +1,18 @@
+clc
+//to calculate distance of the third bright fringe on the screen from the central maximum 
+lambda=6.5*10^-5 //wavelength in cm
+twod=0.2 //distance between the slits in cm
+D=120 //distance between the plane of the slits and the screen in cm
+n=3 
+X3=D*n*lambda/twod
+disp("the distance of the third bright fringe from the central maximum is X3="+string(X3)+"cm")
+//to calculate the least distance from the central maximum 
+lambda1=6.5*10^-5 //wavelength in cm
+lambda2=5.2*10^-5 //wavelength in cm
+//Xn=Dnlambda1/2d=D(n+1)lambda2/2d
+//we get,
+n=lambda2/(lambda1-lambda2)
+disp("n="+string(n)+"unitless")
+Xn=D*n*lambda1/twod
+disp("the distance from the central maximum when the bright fringes due to both wavelengths coincide is Xn="+string(Xn)+"cm")
+ 
-- 
cgit