clear
//
//
//

//Variable declaration
e=1.6*10**-19    //charge(c)
h=6.626*10**-34  //plank constant
V=8.5*10**-6     //voltage(V)

//Calculation
new=2*e*V/h      //frequency(Hz)

//Result
printf("\n frequency is %0.1f  *10**9 Hz",new/10**9)