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 --- 1271/CH14/EX14.47/example14_47.sce | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100755 1271/CH14/EX14.47/example14_47.sce (limited to '1271/CH14/EX14.47/example14_47.sce') diff --git a/1271/CH14/EX14.47/example14_47.sce b/1271/CH14/EX14.47/example14_47.sce new file mode 100755 index 000000000..20a1ad50d --- /dev/null +++ b/1271/CH14/EX14.47/example14_47.sce @@ -0,0 +1,15 @@ +clc +// Given that +lambda = 1.2e-10 // DE Broglie wavelength in m +c = 3e8 // velocity of light in m/sec +h = 6.62e-34 // Planck constant in J-sec +e = 1.6e-19 // charge on an electron in C +m = 9.1e-31 // mass of electron in kg +// Sample Problem 47 on page no. 14.40 +printf("\n # PROBLEM 47 # \n") +printf("Standard formula used \n ") +printf(" lambda = h/(m*v)\n") +v1 = h / (m * lambda) +v2 = h / (2 * m * lambda) +printf("\n Group velocity is %e m/sec.\n Phase velocity is %e m/sec.",v1,v2) + -- cgit