In a Youngâs double slit experiment the intensity at a point where the path difference
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Where ϕϕ is phase difference .
Also phase difference ϕ=2πλϕ=2πλ×pathdifferences×pathdifferences
=2πλ×λ6=π3=2πλ×λ6=π3
∴II0=cos2(ϕ2)∴II0=cos2(ϕ2)
=cos2(π6)=cos2(π6)
=(3–√2)2=(32)2
=34
Also phase difference ϕ=2πλϕ=2πλ×pathdifferences×pathdifferences
=2πλ×λ6=π3=2πλ×λ6=π3
∴II0=cos2(ϕ2)∴II0=cos2(ϕ2)
=cos2(π6)=cos2(π6)
=(3–√2)2=(32)2
=34
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