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GUJCET 2015 Physics Solved Paper

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Question : 29

Total: 40

Light of wave length λ is incident on slit of width d. The resulting diffraction pattern is observed on a screen placed at distance D. The linear width of central maximum is equal to width of the slit, then D= ___________

‌
2λ2
d
‌
d2
2λ
‌
d
λ
‌
2λ
d

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