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 --- 1985/CH12/EX12.11/Chapter12_example11.sce | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100755 1985/CH12/EX12.11/Chapter12_example11.sce (limited to '1985/CH12/EX12.11') diff --git a/1985/CH12/EX12.11/Chapter12_example11.sce b/1985/CH12/EX12.11/Chapter12_example11.sce new file mode 100755 index 000000000..3f9d289a0 --- /dev/null +++ b/1985/CH12/EX12.11/Chapter12_example11.sce @@ -0,0 +1,15 @@ +clc +clear +//Input data +l=2500*10^-10//Wavelength of light used in m +W=4.2//Workfunction of aluminium in eV +h=6.625*10^-34//Plancks constant in J.s +c=3*10^8//Velocity of light in m/s +e=1.6*10^-19//Charge of electron in Columbs + +//Calculations +KE=((h*c/l)-(W*e))/10^-19//Kinetic energy of the photoelectron in J*10^-19 +Vs=(KE*10^-19/e)//Stopping potential in V + +//Output +printf('The K.E of the fastest moving electron is %3.2f*10^-19 J \n The stopping potential is %3.5f V',KE,Vs) -- cgit