The energy associated with a cylindrical region due to an EM wave \(E=100 \sin (k x-\omega t)\) is \(u_0\). Find the equ…

The energy associated with a cylindrical region due to an EM wave \(E=100 \sin (k x-\omega t)\) is \(u_0\). Find the equation of EM wave for which a cylinder of same length and half the diameter (as previous one) contains same energy \(u_0\).(Shift - I Memory Based)