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TS EAMCET · Chemistry · Structure of Atom

When a radiation of \(300 \mathrm{~nm}\) is shined on five metals, namely, \(\mathrm{Li} \mathrm{Mg}, \mathrm{Ag}, \mathrm{Cu}\) and \(\mathrm{K}\), the number of metals that show photoelectric effect are

  1. A 2
  2. B 4
  3. C 5
  4. D 3
Verified Solution

Answer & Solution

Correct Answer

(D) 3

Step-by-step Solution

Detailed explanation

\(\mathrm{Li}, \mathrm{Mg}\) and \(\mathrm{K}\) have lower values than the incident energy value. So, these metals will show photoelectric effect.