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Diffstat (limited to '3717/CH2/EX2.3/Ex2_3.sce')
| -rw-r--r-- | 3717/CH2/EX2.3/Ex2_3.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3717/CH2/EX2.3/Ex2_3.sce b/3717/CH2/EX2.3/Ex2_3.sce new file mode 100644 index 000000000..303b93b15 --- /dev/null +++ b/3717/CH2/EX2.3/Ex2_3.sce @@ -0,0 +1,17 @@ +// Ex2_3 Page:31 (2014)
+clc; clear;
+h = 6.626e-034; // Planck's constant, Js
+c = 3e+08; // Speed of light, m/s
+e = 1.6e-019; // Energy equivalent of 1 eV, J
+w0 = 4.2; // Work function of aluminium, eV
+lambda = 2000e-10; // Wavelength of incident light, m
+lambda0 = h*c/(w0*e); // The cut-off wavelength for aluminium, m
+E = h*c/(lambda*e); // Energy of 2000 angstrom photon, eV
+KE = E - w0; // Kinetic energy of fastest electron, eV
+printf("\nThe cut-off wavelength for aluminium = %4d angstrom", lambda0/1e-010);
+printf("\nThe stopping potential = %4.2f V", KE);
+
+// Result
+// The cut-off wavelength for aluminium = 2958 angstrom
+// The stopping potential = 2.01 V
+
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