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 --- 2309/CH4/EX4.a.3/A_Ex4_3.sce | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100755 2309/CH4/EX4.a.3/A_Ex4_3.sce (limited to '2309/CH4/EX4.a.3') diff --git a/2309/CH4/EX4.a.3/A_Ex4_3.sce b/2309/CH4/EX4.a.3/A_Ex4_3.sce new file mode 100755 index 000000000..9966e5263 --- /dev/null +++ b/2309/CH4/EX4.a.3/A_Ex4_3.sce @@ -0,0 +1,28 @@ +// Chapter 4 Additional Example 3 +//============================================================================== +clc; +clear; + +// input data +Ei = 1.02*10^6 // photon energy in eV +theta = 90; // scattered angle in degrees +h = 6.625*10^-34 // plancks constant +mo = 9.1*10^-31 // mass of electron in Kg +e = 1.6*10^-19 // charge of electron +c = 3*10^8; // vel. of light in m/s + +// Calculatioms +// from Compton theory ,Compton shift is given by +// lamda' - lamda = (h/(mo*c))*(1-cosθ) +theta_r = theta*%pi/180; // degree to radian conversion +c_lamda = ( (h/(mo*c))*(1-cos(theta_r))) // Change in wavelength in m +dv = c/c_lamda; // change in frequency of the scattered photon +dE = (h*dv)/e // change in energy of scattered photon in eV +// This change in energy is transferred as the KE of the recoil electron +Er = dE; // Energy of recoil electron +Es = Ei - Er // Energy of scattered photon + + +// Output +mprintf('Energy of the recoil electron = %3.4f MeV\n Energy of the Scattered photon = %3.4f MeV',Er*10^-6,Es*10^-6); +//============================================================================== -- cgit