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JEE Mains · Physics · STD 12 - 12. atoms

एक अणु के कुछ ऊर्जा स्तरों को चित्र में दिखाया गया है। तरंगदैर्ध्यो के अनुपात \(r=\lambda_{1} / \lambda_{2}\) का मान होगा:

  1. A \(r = \frac{4}{3}\)
  2. B \(\;r = \frac{2}{3}\)
  3. C \(\;r = \frac{3}{4}\)
  4. D \(\;r = \frac{1}{3}\)
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Answer & Solution

Correct Answer

(D) \(\;r = \frac{1}{3}\)

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Detailed explanation

From energy level diagram, using \(\Delta E=\frac{h c}{\lambda}\) For wavelength \(\lambda_{1} \Delta E=-E-(-2 E)=\frac{h c}{\lambda_{1}}\) \(\therefore \quad \lambda_{1}=\frac{h c}{E}\) For wavelength…
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