+1 vote
532 views
in Physics by (2.8k points)
reopened by

An electromagnetic wave of frequency 5 GHz, is travelling in a medium whose relative electric permittivity and relative magnetic permeability both are 2. Its velocity in this medium is ________× 107m/s.

1 Answer

+1 vote
by (2.8k points)
selected by
 
Best answer

The correct answer is 15 

\(n=\sqrt{\mu_r ε_r}=2\) 

\(v={c\over n}\) =\(3×10^8\over 2\) 

=15×10m/s 

Hence X=15 the answer

 

Related questions

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

5.7k questions

5.1k answers

108 comments

535 users

...