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When light of wavelength lambda is incid...

When light of wavelength `lambda` is incident on a metal surface, stopping potential is found to be x. When light of wavelength n`lambda` is incident on the same metal surface, stopping potential is found to be `(x)/(n+1)` . Find the threshold wavelength of the metal.

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To solve the problem step by step, we will use the principles of the photoelectric effect and the equations related to stopping potential. ### Step-by-Step Solution: 1. **Understanding the Photoelectric Effect**: The photoelectric effect states that when light of a certain frequency (or wavelength) hits a metal surface, it can eject electrons from that surface. The energy of the incoming photons must be greater than the work function of the metal for electrons to be emitted. 2. **Using the Stopping Potential**: ...
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