Question

An electromagnetic wave of frequency n = 3.0 MHz
passes from vacuum into a dielectric medium with
permittivity Î= 4.0 . Then
(a) wavelength is halved and frequency remains
unchanged
(b) wavelength is doubled and frequency becomes half
(c) wavelength is doubled and the frequency remains
unchanged
(d) wavelength and frequency both remain unchanged

Answer 1

Explanation:

c) is the correct answer ++

Answer 2

Explanation:

hii mate

option c is ur answer..........

have a great day NANBA.........