AP EAMCET · Chemistry · Structure of Atom
If \(\lambda_0\) and \(\lambda\) are respectively the threshold wavelength and wavelength of incident light, the velocity of photo electrons ejected from the metal surface is
- A \(\sqrt{\frac{2 h}{m}\left(\lambda_0-\lambda\right)}\)
- B \(\sqrt{\frac{2 h c}{m}\left(\frac{\lambda_0-\lambda}{\lambda \lambda_0}\right)}\)
- C \(\sqrt{\frac{2 h c}{m}\left(\lambda_0-\lambda\right)}\)
- D \(\sqrt{\frac{2 h c}{m}\left(\frac{1}{\lambda_0}-\frac{1}{\lambda}\right)}\)
Answer & Solution
Correct Answer
(B) \(\sqrt{\frac{2 h c}{m}\left(\frac{\lambda_0-\lambda}{\lambda \lambda_0}\right)}\)
Step-by-step Solution
Detailed explanation
According to Eistein's equation of photoelectric effect.…
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