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

---
 623/CH2/EX2.1.5/U2_C1_5.sce | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 623/CH2/EX2.1.5/U2_C1_5.sce

(limited to '623/CH2/EX2.1.5')

diff --git a/623/CH2/EX2.1.5/U2_C1_5.sce b/623/CH2/EX2.1.5/U2_C1_5.sce
new file mode 100755
index 000000000..27ded610a
--- /dev/null
+++ b/623/CH2/EX2.1.5/U2_C1_5.sce
@@ -0,0 +1,22 @@
+//variable initialization
+h=(6.625*10^-34)/(2*%pi);                                                       //Planck's constant (joule-second)
+c=3*10^8;                                                                       //speed of light (meter/second)
+lembda=2000;                                                                    //Wavelength of the light (Å)
+phi=4.2                                                                         //work function of aluminium surface (eV)
+ch=12400                                                                        //constant (eV Å)
+
+//(a) maximum kinetic energy of photoelectrons
+Tmax=(ch/lembda)-phi;                                                           //maximum kinetic energy of photoelectrons (eV)
+
+//(b) minimum kinetic energy of photoelectrons
+Tmin=0
+
+//(c) cut-off wavelength
+lembda_cut=ch/phi;                                                              // cut-off wavelength (Å)
+
+//(d) stopping potential
+v=2                                                                             //stopping potential (volt)
+
+printf("\n(a) Maximum kinetic energy of photoelectrons = %.0f eV\n(b) Minimum kinetic energy of photoelectrons = %.0f\n(c) Cut-off wavelength = %.0f Å\n(d) Stopping potential = %.0f volt",Tmax,Tmin,lembda_cut,v);
+
+//Note: In book answer of cut_off wavelength is wrong
-- 
cgit