Physics · Dual Nature of Radiation and Matter
The radiation corresponding to 3 → 2 transition of a hydrogen atom falls on a metal surface to generate photoelectrons. These electrons are passed through a perpendicular magnetic field of 5 × 10-4 T. Given that the radius of the largest circular path followed by these electrons is 7 mm, the work function of the metal is close to: (Mass of electron = 9.1 × 10-31 kg)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.82 eV✓
- 20.16 eV
- 31.88 eV
- 41.36 eV
Correct answer
0.82 eV
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