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Find the maximum wavelength of light that can cause photoelectric effect in lithium. Given work function of lithium is 2.5eV.

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To find the maximum wavelength of light that can cause the photoelectric effect in lithium, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Work Function**: The work function (φ) of lithium is given as 2.5 eV. This is the minimum energy required to eject an electron from the lithium surface. 2. **Use the Photoelectric Equation**: According to the Einstein photoelectric equation, the energy of the incoming photon (E) is given by: \[ ...
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