Question
Electromagnetic waves travel in a medium with speed of 1.5 10^8 ~ms ^ -1 . The relative permeability of the medium is 2.0 . The relative permittivity will be :
Electromagnetic waves travel in a medium with speed of 1.5 10^8 ~ms ^ -1 . The relative permeability of the medium is 2.0 . The relative permittivity will be :
D. 2
v= C _ r _ r 1.5 10^8= 3 10^8 2 _ r 2 _ T =4 _ T =2
Related: Physics — Electromagnetic Waves · All PYQ Banks