From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 1427/CH20/EX20.5/20_5.sce | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 1427/CH20/EX20.5/20_5.sce

(limited to '1427/CH20/EX20.5')

diff --git a/1427/CH20/EX20.5/20_5.sce b/1427/CH20/EX20.5/20_5.sce
new file mode 100644
index 000000000..a3708cfa5
--- /dev/null
+++ b/1427/CH20/EX20.5/20_5.sce
@@ -0,0 +1,9 @@
+//ques-20.5
+//Calculating activity of a sample after 80 years
+clc
+th=20;//half-life (in years)
+Ai=8000;//initial activity (in dis/min)
+t=80;//time given (in years)
+n=t/th;
+Af=Ai*(1/2)^n;
+printf("The final activity of the sample is %d dis/min.",Af);
-- 
cgit