AP EAMCET · Chemistry · Structure of Atom
A photon of wavelength \(3000 Å\) strikes a metal surface. The work function of the metal is \(2.13 \mathrm{eV}\). What is the kinetic energy of the emitted photoelectron?
\(\left(\mathrm{h}=6.626 \times 10^{-34} \mathrm{Js}\right)\)
- A \(4.0 \mathrm{eV}\)
- B \(3.0 \mathrm{eV}\)
- C \(2.0 \mathrm{eV}\)
- D \(1.0 \mathrm{eV}\)
Answer & Solution
Correct Answer
(C) \(2.0 \mathrm{eV}\)
Step-by-step Solution
Detailed explanation
\(\lambda=3000 Å=3 \times 10^{-7} \mathrm{~m}, \phi=2.13 \mathrm{eV}\)…
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