Test:351 QNo:93

JEE Advanced 2015 Guidance › Disucss Test Questions questions › Test:351 QNo:93

A ray is incident at an angle of incidence i on one surface of a prism of small angle A and emerges normally from opposite surface. If the refractive index of the material of prism is Î¼, the angle incidence of i is nearly equal to

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Mani Pal Singh ·2009-04-24 02:15:53

not clear

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Rohan Ghosh ·2009-04-24 02:20:19

we have

sini=Î¼sinA
iâ‰ˆÎ¼A
as it emerges normally from the figure you will get the angle of refraction after fiurst surface = A

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Mani Pal Singh ·2009-04-24 02:23:12

won't we get it pi/2[7]

emerges normally from opposite surface.

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Rohan Ghosh ·2009-04-24 02:38:56

draw the diagram and apply snells law to the first surface

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Â°áƒ¦â€¢à¹“ÑÏ…Î ·2009-04-24 02:41:12

ya rohan is rite

bt meien lambe method se answr laya tha :'(

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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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Test:351 QNo:93

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