The electromagnetic wave of frequency 3 MHz to 30 MHz are

The electromagnetic wave of frequency 2 MHz to 30 MHz are

The electromagnetic waves of frequency 2 MHz and 30 MHz are

The electromagnetic waves of frequency 80 MHz and 200 MHz

The electromagnetic waves of frequency 80 MHz and 200 MHz

An electromagnetic wave of frequency nu = 3.0 MHz passes from vaccum into a dielectric medium with permittivity in = 4.0 . Then,

An electromagnetic wave of frequency nu =3.0 MHz passes from vacuum into a dielectric medium with relative permittivity epsilon =4.0.Then