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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1271/CH14/EX14.11 | |
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initial commit / add all books
Diffstat (limited to '1271/CH14/EX14.11')
| -rwxr-xr-x | 1271/CH14/EX14.11/11.txt | 6 | ||||
| -rwxr-xr-x | 1271/CH14/EX14.11/example14_11.sce | 15 |
2 files changed, 21 insertions, 0 deletions
diff --git a/1271/CH14/EX14.11/11.txt b/1271/CH14/EX14.11/11.txt new file mode 100755 index 000000000..6b62fc089 --- /dev/null +++ b/1271/CH14/EX14.11/11.txt @@ -0,0 +1,6 @@ + # PROBLEM 11 #
+Standard formula used
+ E = h*c/lambda
+
+ Work function for wavelength 6.200000e-07 angstrom is 2.002016 eV.
+ Work function for wavelength 5.000000e-07 angstrom is 2.482500 eV
diff --git a/1271/CH14/EX14.11/example14_11.sce b/1271/CH14/EX14.11/example14_11.sce new file mode 100755 index 000000000..29c815c61 --- /dev/null +++ b/1271/CH14/EX14.11/example14_11.sce @@ -0,0 +1,15 @@ +clc +// Given that +lambda = 6.2e-7 // threshold wavelength of photoelectron in first case in meter +lambda_ = 5e-7 // threshold wavelength of photoelectron in second case in meter +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 +// Sample Problem 11 on page no. 14.23 +printf("\n # PROBLEM 11 # \n") +printf("Standard formula used \n ") +printf(" E = h*c/lambda \n") +w = ((h * c) / lambda) * (1 / e) +w_ = ((h * c) / lambda_) * (1 / e) +printf("\n Work function for wavelength %e angstrom is %f eV.\n Work function for wavelength %e angstrom is %f eV",lambda,w,lambda_,w_) + |