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CUET · PHYSICS · PYQ PAPER 2023

In which of the following transitions will the wavelength of light emitted be minimum?

  1. A n = 5 to n = 4
  2. B n = 4 to n = 3
  3. C n = 3 to n = 2
  4. D n = 2 to n = 1
Verified Solution

Answer & Solution

Correct Answer

(D) n = 2 to n = 1

Step-by-step Solution

Detailed explanation

n = 5 to n = 4: \(\left(\frac{1}{4^2} - \frac{1}{5^2}\right) = \left(\frac{1}{16} - \frac{1}{25}\right) = \frac{9}{400}\) n = 4 to n = 3: \(\left(\frac{1}{3^2} - \frac{1}{4^2}\right) = \left(\frac{1}{9} - \frac{1}{16}\right) = \frac{7}{144}\) n = 3 to n = 2:…
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