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/CH2/EX2.12/Ch02Ex12.sci | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100755 1004/CH2/EX2.12/Ch02Ex12.sci (limited to '1004/CH2/EX2.12') diff --git a/1004/CH2/EX2.12/Ch02Ex12.sci b/1004/CH2/EX2.12/Ch02Ex12.sci new file mode 100755 index 000000000..bcc198483 --- /dev/null +++ b/1004/CH2/EX2.12/Ch02Ex12.sci @@ -0,0 +1,12 @@ +// Scilab Code Ex2.12 Velocity of the emitted electron: Pg:49 (2008) +m = 9.1e-031; // Mass of electron, kg +c = 3e+08; // Speed of light, m/s +e = 1.6e-019; // Energy equivalent of 1 eV, joule/eV +phi = 2.3*e; // Work function of metal, J +L = 4300e-010; // Wavelength of incident light, m +// As 1/2*m*v^2 = h*f - phi = h*c/L - phi, Einstein's photoelectric equation +// Solving for v +v = sqrt(2*(h*c/L - phi)/m); // Velocity of emitted electron, m/s +printf("\nThe velocity of emitted electron = %4.2e eV", v); +// Result +// The velocity of emitted electron = 4.55e+005 eV \ No newline at end of file -- cgit