Physics · Dual Nature of Matter and Radiation
Light of wavelength 400 nm is incident on a metal surface with a work function of 2.2 eV. The maximum kinetic energy of the emitted photoelectrons is approximately: (Given h = 6.63 × 10-34 J·s, c = 3 × 108 m/s)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.9 eV✓
- 21.1 eV
- 30.7 eV
- 41.3 eV
Correct answer
0.9 eV
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