Question
What will be the wavelength of that incident light for which the stopping potential will be zero?

2865 Å

2950 Å

2523 Å

None of these
easy
Solution
2950 Å
The stopping potential is zero when the incident light is of thresholdwavelength . Thus,
= 2950 Å.
SIMILAR QUESTIONS
Find the moment and equivalent mass of a photon of radiation of wavelength 3300 Å.
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