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Solve Diffraction grating: 494 lines/mm, λ = 551 nm. Find the angle of the 1st orde... — Step-by-Step Solution by AhaStep | AhaStep

Home›Physics›Solve Diffraction grating: 494 lines/mm, λ = 551 nm. Find the angle of the 1st orde... — Step-by-Step Solution by AhaStep

⚛️ PhysicsLevel 3 — 🟢 Basicdiffraction👁 18 views⏱ 1 min read

Solve Diffraction grating: 494 lines/mm, λ = 551 nm. Find the angle of the 1st orde... — Step-by-Step Solution by AhaStep

📝 Problem

Diffraction grating: 494 lines/mm, λ = 551 nm. Find the angle of the 1st order maximum.

✨Detailed Solution

1. Light Diffraction: Apply diffraction formulas:

1. Single slit: d sin(θ) = nλ (for minima).

2. Diffraction grating: d sin(θ) = nλ (for principal maxima),

3. Constraint |sin(θ)| ≤ 1 determines the maximum number of observable fringes.

🔒 2 steps remaining

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1. Light Diffraction: Apply diffraction formulas:

1. Single slit: d sin(θ) = nλ (for minima).

2. Diffraction grating: d sin(θ) = nλ (for principal maxima),

3. Constraint |sin(θ)| ≤ 1 determines the maximum number of observable fringes.

🔒 2 steps remaining