Physics · Dual Nature of Radiation and Matter
When light of wavelength λ is incident on a photosensitive surface, the stopping potential is V. When light of wavelength 3λ is incident on the same surface, the stopping potential is V/6. The threshold wavelength for the surface is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12λ
- 23λ
- 34λ✓
- 45λ
Correct answer
4λ
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