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

---
 1172/CH1/EX1.21/1_21.txt | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100755 1172/CH1/EX1.21/1_21.txt

(limited to '1172/CH1/EX1.21/1_21.txt')

diff --git a/1172/CH1/EX1.21/1_21.txt b/1172/CH1/EX1.21/1_21.txt
new file mode 100755
index 000000000..606823378
--- /dev/null
+++ b/1172/CH1/EX1.21/1_21.txt
@@ -0,0 +1,5 @@
+# Problem 21 # 
+ 
+ Standard formula used 
+   n*lambda= (a+b)*sin(theta)  
+ Maximum order n = 3 may be seen in between the given wavelength spectrum.
-- 
cgit