In a phase electromagnetic wave, the electric filed oscillates sinusoidally at a frequency of 2.0 × 1010 Hz and amplitude 48 Vm−1 . The wavelength of the wave is
Answer & explanation
Correct answer: option 2
Wavelength, $λ= c/v = 3 × 10^8/2 × 10^{10}= 1.5 × 10^{-2} m$