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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1928/CH4/EX4.15.8 | |
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initial commit / add all books
Diffstat (limited to '1928/CH4/EX4.15.8')
| -rwxr-xr-x | 1928/CH4/EX4.15.8/ex_4_15_8.sce | 35 |
1 files changed, 35 insertions, 0 deletions
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")
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