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JEE Main Physics Class 12 Electromagnetic Waves Part 2 Questions
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© examsnet.com
Question : 5
Total: 24
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 :
[6 Apr 2024 Shift 1]
5
1
4
2
Validate
Solution:
👈: Video Solution
ε
m
×
µ
m
ε
0
×
µ
0
=
1
v
2
1
c
2
ε
r
×
µ
r
=
c
2
v
2
ε
r
×
2
=
(
3
×
10
8
)
2
(
1.5
×
10
8
)
2
ε
r
×
2
=
4
ε
r
=
2
© examsnet.com
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