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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/EX14.17 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1271/CH14/EX14.17')
| -rwxr-xr-x | 1271/CH14/EX14.17/17.txt | 7 | ||||
| -rwxr-xr-x | 1271/CH14/EX14.17/example14_17.sce | 15 |
2 files changed, 22 insertions, 0 deletions
diff --git a/1271/CH14/EX14.17/17.txt b/1271/CH14/EX14.17/17.txt new file mode 100755 index 000000000..d2153c903 --- /dev/null +++ b/1271/CH14/EX14.17/17.txt @@ -0,0 +1,7 @@ + # PROBLEM 17 #
+ Standard formula used
+ E = (h * c)/lambda = 1/2*m*v^2
+
+ Energy of incident photon is 8.275000 eV,which is greater than the work function
+ So it causes photoelectric emission.
+ Kinetic energy of the emitted electron is 3.745000 eV.
diff --git a/1271/CH14/EX14.17/example14_17.sce b/1271/CH14/EX14.17/example14_17.sce new file mode 100755 index 000000000..180de9367 --- /dev/null +++ b/1271/CH14/EX14.17/example14_17.sce @@ -0,0 +1,15 @@ +clc +// Given that +lambda = 1.5e-7 // wavelength of light in in meter +w = 4.53 // work function of tungsten in eV +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 17 on page no. 14.26 +printf("\n # PROBLEM 17 # \n") +printf(" Standard formula used \n ") +printf(" E = (h * c)/lambda = 1/2*m*v^2 \n ") +E = ((h * c) / lambda) * (1 / e) +k = E - w +printf("\n Energy of incident photon is %f eV,which is greater than the work function \n So it causes photoelectric emission.\n Kinetic energy of the emitted electron is %f eV.",E,k) + |