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clc
// Given that
v = 1000 // potential through which alpha particle accelerated in V
q = 3.2e-19 // charge on an alpha particle in C
e0 = 8.85e-12 // electric permittivity of space
// Sample Problem 21 on page no. 10.44
printf("\n # PROBLEM 21 # \n")
E = q * v
printf("Standard formula used \n E = q * v.\n")
printf(" Energy gained by alpha particle = %e J.",E)
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