Test Index

Class 12 NEET Physics Dual Nature of Matter and Radiation

© examsnet.com

Question : 10

Total: 107

The work functions of Caesium (Cs), Potassium (K) and Sodium (Na) are 2.14‌eV,2.30‌eV and 2.75‌eV respectively. If incident electromagnetic radiation has an incident energy of 2.20‌eV, which of these photosensitive surfaces may emit photoelectrons?

Both Na and K
K only
Na only
Cs only

Go to Question:

Prev Question

Next Question

Similar Free Exams: