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 --- 1004/CH6/EX6.7/Ch06Ex7.sci | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100755 1004/CH6/EX6.7/Ch06Ex7.sci (limited to '1004/CH6/EX6.7') diff --git a/1004/CH6/EX6.7/Ch06Ex7.sci b/1004/CH6/EX6.7/Ch06Ex7.sci new file mode 100755 index 000000000..03892a76e --- /dev/null +++ b/1004/CH6/EX6.7/Ch06Ex7.sci @@ -0,0 +1,11 @@ +// Scilab code: Ex6.7: Critical voltage for stimualted emission : Pg: 158 (2008) +h = 6.625e-034; // Planck's constant, Js +c = 3e+08; // Velocity of light, m/s +e = 1.6e-019; // Charge of an electron, coulombs +L_k = 0.178e-010; // Wavelength of k absorption egde of X-rays, m +// Since e*V_critical = h*c/L; // Energy required by an electron to move through a potential barrier of one volt, joules +// solving for V_critical +V_critical = h*c/(L_k*e); // Crtical voltage for stimulated enission, volt +printf("\nThe critical voltage for stimulated emission = %4.1f kV", V_critical/1e+03); +// Result +// The critical voltage for stimulated emission = 69.8 kV \ No newline at end of file -- cgit