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Light of wavelength 450 nm in incident o...

Light of wavelength 450 nm in incident on a metal , and it is found that negative potential of 1 V is needed to stop the photocurrent completely. What is the threshold wavelength of the material ?

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To solve the problem, we need to find the threshold wavelength of the metal based on the given information about the incident light and the stopping potential. ### Step-by-Step Solution: 1. **Identify the given data:** - Wavelength of incident light, \( \lambda = 450 \, \text{nm} \) - Stopping potential, \( V = 1 \, \text{V} \) ...
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