When an electromagnetic wave is propagating in vacuum, its average energy density is 0.6 μJ/m3 . If the same electromagnetic waves propagates through a transparent dielectric medium having relative permittivity, 2, Then average energy density in this medium will be
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
0.15 μJ/m3
b
0.3 μJ/m3
c
0.8 μJ/m3
d
1.2 μJ/m3
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
In vacuum, u=12ε0Em2In a transparent dielectric medium, Average energy density u'=12kε0Emk2=uk∴u'=0.62μJ/m3=0.3 μJ/m3