QT P1 11

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A glass prism is immersed in a hypothetical liquid. The graph shows the variation of refractive index of glass and liquid with the wavelength of light. When a ray of white light is incident parallel to the base of the prism, then

(A)yellow ray travels without deviation

(B)blue ray is deviated towards vertex

(C)red ray is deviated towards base

(D)there is no dispersion

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4 Answers

Avinav Prakash ·2010-02-28 23:17:40

ANS IS...A,B,C,D

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UTTARA ·2010-02-28 23:20:34

Ans is

A B C

But How??????????????

""blue ray is deviated towards vertex " " ---->

Acc to the below img even Blue shud deviate towards base no??

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Avinav Prakash ·2010-02-28 23:26:39

CHEK THE GRAPH PROPERLY.....FOR THE WAVELENGTH OF BLUE LIGHT....THE REFECTIVE INDEX....OF LIQIUD IS MORE THAN THAT OF THE GLASS....HENCEIT DEVIATES TOWARDS THE VERTEX...

BUT HOW ..OPTION D NT RITE

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UTTARA ·2010-03-01 00:39:13

Ok So

Ans given is correct

Thanks [159]

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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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QT P1 11

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