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 --- 2780/CH7/EX7.24/Ex7_24.sce | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100755 2780/CH7/EX7.24/Ex7_24.sce (limited to '2780/CH7/EX7.24') diff --git a/2780/CH7/EX7.24/Ex7_24.sce b/2780/CH7/EX7.24/Ex7_24.sce new file mode 100755 index 000000000..3b36a8460 --- /dev/null +++ b/2780/CH7/EX7.24/Ex7_24.sce @@ -0,0 +1,9 @@ +clc +//to calculate energy of an electron +n=1 //least energy of the particle +h=6.63*10^-34 //planck's constant in Js +m=9.11*10^-31 //mass of electron in kg +a=10^-10 //width in angstrom +E=(n^2)*(h^2)/(8*m*(1.602*10^-19)*a^2) +disp("energy of an electron moving in one dimension in an infinitely high potential box is E="+string(E)+"eV") +//the answer is given wrong in the book E=5.68 eV -- cgit