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

---
 623/CH2/EX2.1.2/U2_C1_2.sce | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 623/CH2/EX2.1.2/U2_C1_2.sce

(limited to '623/CH2/EX2.1.2')

diff --git a/623/CH2/EX2.1.2/U2_C1_2.sce b/623/CH2/EX2.1.2/U2_C1_2.sce
new file mode 100755
index 000000000..20677a479
--- /dev/null
+++ b/623/CH2/EX2.1.2/U2_C1_2.sce
@@ -0,0 +1,16 @@
+//variable initialization
+v=2*10^-2;                                                                      //side of the cube (meter)
+lembda=5000*10^-10;                                                             //wavelength (meter)
+delta_lembda=10*10^-10;                                                         //range of wavelength (meter)
+k=1.38*10^-23;                                                                  //Boltzmann constant (joule/kelvin)
+T=1500                                                                          //Temperature of the cavity (kelvin)
+
+//(i)Number of modes:
+N=(8*%pi*v^3*delta_lembda)/lembda^4;                                            //number of modes
+
+//(ii)Total radiant energy in the cavity:
+U=N*k*T;                                                                        //energy density (joule)
+
+printf("\n(a) Number of modes = %.3e\n(b) Energy density = %.2e joule",N,U);
+
+//Note: In book the answers of both the parts are wrong by one order of magnitude
-- 
cgit