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- #National Eligibility Cum Entrance Test - 2023
- #Class 12
- #Dual Nature of Matter and Radiation
- #National Eligibility Cum Entrance Test
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- #Physics
The work function of Caesium (Cs), Potassium (K) and Sodium (Na) are 2.14 eV, 2.30 eV and 2.75 eV respectively. If incident electromagnetic radiation has an incident energy of 2.20 eV, which of these photosensitive surfaces may emit photoelectrons?
Option: 1
Cs only
Option: 2
Both Na and K
Option: 3
K only
Option: 4
Na only
Answers (1)
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