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JEE Mains 10-Apr-2023 Shift 2 Solved Paper
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© examsnet.com
Question : 32
Total: 90
The ratio of intensities at two points
P
and
Q
on the screen in a Young's double slit experiment where phase difference between two waves of same amplitude are
π
∕
3
and
π
∕
2
, respectively are
[10-Apr-2023 shift 2]
3
:
2
3
:
1
2
:
3
1
:
3
Validate
Solution:
I
res
=
4
I
o
cos
2
(
θ
2
)
If
θ
=
π
3
,
I
res
=
4
I
o
⋅
cos
2
[
π
6
]
=
4
I
0
⋅
(
√
3
2
)
2
I
1
=
(
4
I
0
)
(
3
4
)
=
3
I
0
If
θ
=
π
2
,
I
res
=
4
I
0
⋅
cos
2
(
π
2
)
=
4
I
0
(
1
√
2
)
2
=
(
4
I
o
)
(
1
2
)
I
2
=
2
I
o
I
1
I
2
=
3
2
© examsnet.com
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