blob: 5a825e23d91e53a1b0ec558d8836da4e838a3b1d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
clc
// Given that
r = 1 / 20 // ratio of velocity of proton to the velocity of light
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 = 1.67e-27 // mass of proton in kg
// Sample Problem 42 on page no. 14.38
printf("\n # PROBLEM 42 # \n")
printf("Standard formula used \n ")
printf(" lambda = h/(m*v)\n")
v = r * c
lambda = h / (m * v)
printf("\n de-Broglie wavelength is %e m.",lambda)
|
