From d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Sat, 3 Feb 2018 10:59:42 +0530
Subject: Modified the code

---
 3875/CH4/EX4.20/Ex4_20.sce | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to '3875/CH4/EX4.20/Ex4_20.sce')

diff --git a/3875/CH4/EX4.20/Ex4_20.sce b/3875/CH4/EX4.20/Ex4_20.sce
index d7db69871..5d462a526 100644
--- a/3875/CH4/EX4.20/Ex4_20.sce
+++ b/3875/CH4/EX4.20/Ex4_20.sce
@@ -3,8 +3,12 @@ clear;
 R=100 //radius of curvature in cm
 D_5=0.3 //diameter of the 5th dark ring in cm
 D_25=0.8 //diameter of the 25th dark ring in cm
-p=20 //difference in no of fringes
+n5=5 //fifth dark ring
+n25=25 //twenty fifth ring
 
 //calculation
-lambda=(D_25^2-D_5^2)/(4*p*R)
+p = n25 - n5 //difference in no of fringes
+lambda=((D_25^2)-(D_5^2))/(4*p*R)
+
 mprintf("The wavelength of light used is = %1.2e cm",lambda)
+//The answer provided in the textbook is wrong.
-- 
cgit