diff options
Diffstat (limited to '1271/CH14/EX14.45')
| -rwxr-xr-x | 1271/CH14/EX14.45/45.txt | 5 | ||||
| -rwxr-xr-x | 1271/CH14/EX14.45/example14_45.sce | 18 |
2 files changed, 23 insertions, 0 deletions
diff --git a/1271/CH14/EX14.45/45.txt b/1271/CH14/EX14.45/45.txt new file mode 100755 index 000000000..bc26b7b90 --- /dev/null +++ b/1271/CH14/EX14.45/45.txt @@ -0,0 +1,5 @@ + # # PROBLEM 45 #
+Standard formula used
+ lambda = h/(3*m*k*T)^1/2
+
+ Ratio of de-Broglie wavelengths is 2 .
diff --git a/1271/CH14/EX14.45/example14_45.sce b/1271/CH14/EX14.45/example14_45.sce new file mode 100755 index 000000000..1bfa67fed --- /dev/null +++ b/1271/CH14/EX14.45/example14_45.sce @@ -0,0 +1,18 @@ +clc +// Given that +t = 300 // temperature in K +k = 1.376e-23 // Boltzmann's constant in J/K +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_ = 4 * 1.67e-27 // mass of helium atom in kg +m = 1.67e-27 // mass of hydrogen atom in kg +// Sample Problem 45 on page no. 14.39 +printf("\n # PROBLEM 45 # \n") +printf("Standard formula used \n ") +printf(" lambda = h/(3*m*k*T)^1/2\n") +lambda1 = h / sqrt(3 * m * k * t) +lambda2 = h / sqrt(3 * m_ * k * t) +r = lambda1 / lambda2 +printf("\n Ratio of de-Broglie wavelengths is %d .",r) + |