Physics, asked by madhukar227, 1 year ago

help me with this question

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Answered by RajivShastry

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E is inversely proportional to λ

-4E/3 + E = hc / λ₂

-E/3 = hc/λ₂

λ₂ = -3hc/E

-2E + E = hc/λ₁

λ₁ = -hc/E

r = λ₁ / λ₂

r = 1/3

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