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JEE Main 27-Aug-2021 Shift 2 Solved Paper
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© examsnet.com
Question : 19
Total: 90
The light waves from two coherent sources have same intensity
I
1
=
I
2
=
I
0
. Ininterference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?
[27 Aug 2021 Shift 2]
I
0
2
I
0
5
I
0
4
I
0
Validate
Solution:
Given, intensity of two light waves
I
1
=
I
2
=
I
0
Since,
I
min
=
0
Since,
I
min
=
(
√
l
1
−
√
l
2
)
2
and
=
(
√
l
0
+
√
l
0
)
2
I
max
=
(
√
l
1
+
√
l
2
)
2
=
(
2
√
I
0
)
2
=
41
0
© examsnet.com
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