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/EX3.21/Ex3_21.sce | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100755 2780/CH3/EX3.21/Ex3_21.sce

(limited to '2780/CH3/EX3.21')

diff --git a/2780/CH3/EX3.21/Ex3_21.sce b/2780/CH3/EX3.21/Ex3_21.sce
new file mode 100755
index 000000000..758dfd3e6
--- /dev/null
+++ b/2780/CH3/EX3.21/Ex3_21.sce
@@ -0,0 +1,13 @@
+clc
+//to calculate angle of diffraction for third order spectrum and absent spectra if any
+n=3
+lambda=6000*10^-8
+eplusd=1/200
+theta=asind(n*lambda/eplusd)
+disp("angle of refraction is theta="+string(theta)+"degree")
+d=0.0025
+e=eplusd-d //width of wire in cm
+m=1
+n=eplusd*m/e
+disp("order of absent spectrum is n="+string(n)+"unitless")
+disp("here,m=1 is considered because the higher values of m result the order of absent spectrum more than the given order 3")
-- 
cgit