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QJEEM23Phe7a6: JEE Main 2023 Physics - Class 12 JEEM23Phe7a6 Solution: A photon is emitted in transition from n = 4 to n = 1 level in…

A photon is emitted in transition from n = 4 to n = 1 level in hydrogen atom. The corresponding wavelength for this transition is (given, h = 4 × 10−15 eVs) :

Multiple Choice Options

  • A 99.3 nm
  • B 94.1 nm
  • C 974 nm
  • D 941 nm

Step-by-Step Verified Solution

hcλ=+13.6eV[11−142]\frac{h c}{\lambda}=+13.6 \mathrm{eV}\left[\frac{1}{1}-\frac{1}{4^{2}}\right]

⇒4×10−15×3×10−8λ=13.6[1516]

λ=94.1 nm\lambda=94.1 \mathrm{~nm}

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