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NEET PhysicsClass 12Electron emissionEasyMatch the following

Question 10 of 10

Match each item in List I with what supplies or describes it in List II.

Column I
Column II
P. Thermionic emission
1. Light of frequency above the threshold
Q. Field emission
2. h/e
R. Photoelectric emission
3. Heating the metal
S. Slope of the stopping potential versus frequency graph
4. A very strong electric field (about 10⁸ V m⁻¹)

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