initial commit / add all books

2 files changed, 23 insertions, 0 deletions

diff --git a/1271/CH15/EX15.14/14.txt b/1271/CH15/EX15.14/14.txt
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+++ b/1271/CH15/EX15.14/14.txt
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+ # PROBLEM 14 # 

+Standard formula used 

+ E = (n^2 * h^2) / (8 * m * L^2)) 

+

+ Energy of electron - 

+ For (n=1) energy is 6.019835e-18 J.

+ For (n=2) energy is 2.407934e-17 J.

diff --git a/1271/CH15/EX15.14/example15_14.sce b/1271/CH15/EX15.14/example15_14.sce
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+clc 
+// Given that
+delta_x = 1e-10 // width of box in m
+e = 1.6e-19 // charge on an electron in C
+m = 9.1e-31 // mass of electron in kg
+c = 3e8 // speed of light in m/sec
+h = 6.62e-34 // Planck constant in J-sec
+// Sample Problem 14 on page no. 15.29
+printf("\n # PROBLEM 14 # \n")
+printf("Standard formula used \n")
+printf(" E = (n^2 * h^2) / (8 * m * L^2)) \n")
+n = 1 // for n=1
+E = (n^2 * h^2) / (8 * m * delta_x^2)
+n = 2 // for n=2
+E_ = (n^2 * h^2) / (8 * m * delta_x^2)
+printf("\n Energy of electron - \n For (n=1) energy is %e J.\n For (n=2) energy is %e J.",E,E_)