engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Physics Electromagnetic Waves
Calculate the wavelength of an electromagnetic wave in the oscillating electric field having a frequency of 1.5 MHz and an amplitude of 40 V/m. Wave is propagating in the positive direction.
1
100 m
2
200 m
3
400 m
4
300 m