diff options
Diffstat (limited to '1271/CH14/EX14.18/example14_18.sce')
| -rwxr-xr-x | 1271/CH14/EX14.18/example14_18.sce | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/1271/CH14/EX14.18/example14_18.sce b/1271/CH14/EX14.18/example14_18.sce new file mode 100755 index 000000000..bcb173948 --- /dev/null +++ b/1271/CH14/EX14.18/example14_18.sce @@ -0,0 +1,13 @@ +clc +// Given that +w = 2.3 // work function of sodium 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 18 on page no. 14.26 +printf("\n # PROBLEM 18 # \n") +printf("Standard formula used \n ") +printf(" E = (h * c)/ lambda \n") +lambda = ((h * c) / w) * (1 / e) +printf("\n Longest wavelength required for photoemission is %f Angstrom",lambda * 1e10) + |