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//Chapter 1: Structure and Bonding
//Problem: 15
clc;
//Declaration of Constants
m = 9.1 * 10 ** -31 // Mass of electron, kg
h = 6.626 * 10 ** -34 // Plank's constant, J.sec
e = 1.602 * 10 ** -19 // Charge of electron, C
// Variable
v = 1.87 * 10 ** 9 // Velocity of electron, m/sec
// Solution
V = m * v ** 2 / (2 * e)
lamda = h / (m * v)
mprintf("The voltage is %.2e Volts\n",V)
mprintf(" The de Broglie wavelength is %.2e m",lamda)
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