Question: With the grating used in Problem 58, two other lines in the first-order hydrogen spectrum are found at angles 1 = 9.72 10

With the grating used in Problem 58, two other lines in the first-order hydrogen spectrum are found at angles θ₁ = 9.72 × 10^–2 rad and θ₂ = 1.32 × 10^–1 rad. Find the wavelengths of these lines.

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