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JEE Main Physics Class 12 Electromagnetic Waves Part 2 Questions
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© examsnet.com
Question : 9
Total: 24
A plane electromagnetic wave propagating in
x
-direction is described by
E
y
=
(
200
Vm
−
1
)
s
i
n
[
1.5
×
10
7
t
−
0.05
x
]
;
The intensity of the wave is :
(Use
E
0
=
8.85
×
10
−
12
C
2
N
−
1
m
−
2
)
[27-Jan-2024 Shift 1]
35.4
Wm
−
2
53.1
Wm
−
2
26.6
Wm
−
2
106.2
Wm
−
2
Validate
Solution:
👈: Video Solution
I
=
1
2
ε
0
E
0
2
×
c
I
=
1
2
×
8.85
×
10
−
12
×
4
×
10
4
×
3
×
10
8
I
=
53.1
W
∕
m
2
© examsnet.com
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