Question
De-Broglie wavelength of an electron orbiting in the n=2 state of hydrogen atom is close to (Given Bohr radius =0.052 ~nm )
NEET
Physics
Atomic Physics
2025
NEET 2025
NEET Physics Question (2025) — Solution
Options
- A. 0.067 nm
- B. 0.67 nm
- C. 1.67 nm
- D. 2.67 nm
Answer
B. 0.67 nm
Step-by-step solution
Given n =2, Z =1 aligned & 2 r = n \\ & 2 (0.052 n ^2 Z )= n aligned On solving =0.67 ~nm
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