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

---
 1928/CH4/EX4.15.8/ex_4_15_8.sce | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100755 1928/CH4/EX4.15.8/ex_4_15_8.sce

(limited to '1928/CH4/EX4.15.8')

diff --git a/1928/CH4/EX4.15.8/ex_4_15_8.sce b/1928/CH4/EX4.15.8/ex_4_15_8.sce
new file mode 100755
index 000000000..421566f16
--- /dev/null
+++ b/1928/CH4/EX4.15.8/ex_4_15_8.sce
@@ -0,0 +1,35 @@
+//Chapter-4,Example4_15_8,pg 4-30
+
+l=20                                    //length of room
+
+b=15                                    //bredth of room
+
+h=10                                    //height of room
+
+V=l*b*h                                 //volume of room
+
+a=0.1                                   //absorption coefficient
+
+S=2*(l*b+b*h+h*l)                       //surface area of hall
+
+T1=(0.161*V)/(a*S)                      //Reverberation time,using Sabine's formula
+
+printf("1) Reverberation time =")
+
+disp(T1)
+
+printf("sec")
+
+a2=0.66                                 //absorption coefficient of curtain cloth
+
+S2=100                                  //surface area of a curtain cloth
+
+T2=(0.161*V)/(a*S+a2*S2*2)              //Reverberation time,using Sabine's formula
+
+T=T1-T2                                 //change in Reverberation time
+
+printf("2) change in Reverberation time =")
+
+disp(T)
+
+printf("sec")
-- 
cgit