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/CH3/EX3.4/Ex3_4.sce | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100755 2780/CH3/EX3.4/Ex3_4.sce

(limited to '2780/CH3/EX3.4/Ex3_4.sce')

diff --git a/2780/CH3/EX3.4/Ex3_4.sce b/2780/CH3/EX3.4/Ex3_4.sce
new file mode 100755
index 000000000..0470048f3
--- /dev/null
+++ b/2780/CH3/EX3.4/Ex3_4.sce
@@ -0,0 +1,11 @@
+clc
+//to calculate wavelength of incident light
+//direction of minima is given by e*sintheta=+m*lambda
+//for first minima m=1,i.e. e*sintheta=lambda,sintheta is approximately equal to theta,then we can write it as e*theta=lambda ...........eq(1)
+//theta=Y/d........................eq(2) 
+e=0.02 //in cm
+Y=0.5        //position of first minima from the central maxima in cm
+d=200           //distance of screen from the slit in cm
+//from eq(1) and eq(2),we get
+lambda=e*Y/d
+disp("wavelength of incident light is lambda="+string(lambda)+"cm")
-- 
cgit