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clear
c=3*10**8
f=30.0*10**6
f1=300*10**6
f2=3000*10**6

//Calculation
l=c/f
l1=l/2.0
l2=c/f1
l3=l2/2.0
l4=c/f2
l5=l4/2.0

//Result
printf("\n (i) length of half wave dipole antenna at 30 MHz is %0.3f  m",l1)
printf("\n (ii) length of half wave dipole antenna at 300 MHz is %0.3f  m",l3)
printf("\n (iii) length of half wave dipole antenna at 3000 MHz is %0.3f  m",15)