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+// Scilab Code Ex9.1: De-broglie wavelength of an electron from accelerating potential : Page-202 (2010)
+V = 100;    // Accelerating potential for electron, volt
+lambda = sqrt(150/V)*1e-010;    // de-Broglie wavelength of electron, m
+printf("\nThe De-Broglie wavelength of electron = %4.2e m", lambda);
+
+// Result
+// The De-Broglie wavelength of electron = 1.22e-010 m 
+\ No newline at end of file