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 --- 2672/CH4/EX4.5/Ex4_5.sce | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100755 2672/CH4/EX4.5/Ex4_5.sce (limited to '2672/CH4/EX4.5/Ex4_5.sce') diff --git a/2672/CH4/EX4.5/Ex4_5.sce b/2672/CH4/EX4.5/Ex4_5.sce new file mode 100755 index 000000000..aae7a30ce --- /dev/null +++ b/2672/CH4/EX4.5/Ex4_5.sce @@ -0,0 +1,15 @@ +//Example 4_5 +clc; +clear; +close; +format('v',6) +//given data : +c=3*10^8;//m/s//Speed of light +h=1.05*10^-34;//Js//Planks Constant +mc=0.067;//mo +k=[0.1 0.1 0 0];///per Angstrum +mc=mc*0.91*10^-30;//kg +E=h^2*((k(1)*10^10)^2+(k(2)*10^10)^2)/2/mc;//J +E=E/(1.6*10^-19);//eV +disp(E,"Energy of the electron in GaAs(eV)"); +//Answer given in the textbook is wrong. -- cgit