1 files changed, 15 insertions, 0 deletions
diff --git a/1694/CH2/EX2.47/EX2_47.sce b/1694/CH2/EX2.47/EX2_47.sce
new file mode 100644
index 000000000..3971e10fa
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+++ b/1694/CH2/EX2.47/EX2_47.sce
@@ -0,0 +1,15 @@
+clear;
+clc;
+printf("\nEx2.47\n");
+//page no.-91
+//given
+lambda_o=6800*10^-8;..........//threshold wavelength in cm
+c=3*10^10;...........//speed of light in cm/sec
+e=1.6*10^-12;.........//charge in ergs
+h=6.62*10^-27;........//planck's constant in ergs-sec
+
+vo=c/lambda_o........//threshold frequency in m/s
+
+w=h*vo/e.............//work function in eV
+
+printf("\nwork function is 1.825 eV\n");