Physics · Dual Nature of Radiation and Matter
The stopping potential for electrons emitted from a photosensitive surface illuminated by light of wavelength 491 nm is 0.710 V. When the incident wavelength is changed to a new value, the stopping potential i s found to be 1.43 V. The new wavelength is approximately:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1400 nm
- 2382 nm✓
- 3329 nm
- 4309 nm
Correct answer
382 nm
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