The electric field associated with an electromagnetic wave in vacuum is given by E = i (cap) 40 cos (kz − 6 × 10^8t), where E, z and t are in volt per meter, meter and second respectively. The value of wave vector k is meter and second respectively. The value of wave vector k is The electric field associated with an electromagnetic wave in vacuum is given by E = i (cap) 40 cos(kz − 6×10^8t) where E z and t are in volt per meter August 20, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related