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NEETChemistryStructure of Atom

The photoelectric behaviour of K , Li , Mg and Ag metals is shown in the plot below. If light of wavelength 400 ~nm is incident on each of these metals, which of them will emit photoelectrons?

Options

  1. AK
  2. BK and Li
  3. CK , Li and Mg
  4. DK , Li , Mg and Ag

Correct answer

B. K and Li

Step-by-step solution

If energy of incident light work function light Then photoelectrons will be ejected.

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