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प्रश्न
If the two slits in Young's double slit experiment have width ratio 9 : 1, the ratio of maximum to minimum intensity in the interference pattern is ______.
पर्याय
1 : 4
4 : 1
2 : 1
1 : 2
MCQ
रिकाम्या जागा भरा
उत्तर
If the two slits in Young's double slit experiment have width ratio 9 : 1, the ratio of maximum to minimum intensity in the interference pattern is 4 : 1.
Explanation:
`"W"_1/"W"_2 = 9/1 = "a"_1^2/"a"_2^2`
`=> "a"_1/"a"_2 = 3/1`
`"I"_1/"I"_2 = (("a"_1 + "a"_2)/("a"_1 - "a"_2))^2`
`= (4/2)^2` = 4
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