Neet
Electromagnetic Waves
NEET 2025
MCQ+4 / -12025
The electric field in a plane electromagnetic wave is given by \(E_z=60 \cos \left(5 x+1.5 \times 10^9 t\right) \mathrm{V} / \mathrm{m}\) Then expression for the corresponding magnetic field is (here subscripts denote the direction of the field) :