YDSE Question

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Ans : A,C

plz help me out with this problem.

#Physics #Optics

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Vivek @ Born this Way ·2012-02-17 23:51:16

Obviously those wavelength will be missing , who form minima at that point.

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Aditya Bhutra ·2012-02-18 06:13:14

why will it form a minima ?? path diff. is zero.

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Vivek @ Born this Way ·2012-02-18 23:54:58

Path difference zero? No it isn't.

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Aditya Bhutra ·2012-02-19 00:06:04

@vivek - thanks for pointing that out.
i had misread the problem .

done now :)

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vikrant001 ·2012-02-19 07:36:08

I label the two slits as A and B ( in top- down manner), at P just calculate the path difference between the two rays ,
√d² + b² - d = Î”p,
set Î”p = (2n+1)* Î»/2 and apply binomial approximation, rest is simple substitution...

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Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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