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Diffstat (limited to '1271/CH14/EX14.28/example14_28.sce')
| -rwxr-xr-x | 1271/CH14/EX14.28/example14_28.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/1271/CH14/EX14.28/example14_28.sce b/1271/CH14/EX14.28/example14_28.sce new file mode 100755 index 000000000..b7f7ac74d --- /dev/null +++ b/1271/CH14/EX14.28/example14_28.sce @@ -0,0 +1,20 @@ +clc +// Given that +lambda = 0.2e-10 // wavelength of x-ray in meter +theta = 45 // scattered angle in degree +h = 6.62e-34 // Planck constant in J-sec +c = 3e8 // speed of light in m/sec +e = 1.6e-19 // charge on an electron in C +m = 9.1e-31 // mass of an electron in kg +// Sample Problem 28 on page no. 14.32 +printf("\n # PROBLEM 28 # \n") +printf("Standard formula used \n ") +printf(" delta_lambda = (h / (m * c) * (1 - cos(theta))) \n E = h*c*(1/lambda1 - 1/lambda2)\n") +delta_lambda = (h * (1 - cosd(theta))) / (m * c) +E = (h * c) * ((1 / lambda) - (1 / (lambda + delta_lambda))) +theta_ = 180 // for maximum +delta_lambda_ = (h * (1 - cosd(theta_))) / (m * c) +lambda_ = lambda + delta_lambda_ +E_k = h*c*(1/lambda - 1/lambda_) +printf("\n Wavelength of x-ray is %f A.\n Maximum kinetic energy %e J.",lambda_ * 1e10,E_k) + |