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The work function for Al, K and is 4.28 ...

The work function for Al, K and is 4.28 eV, 2.30 eV and 5.65 eV respectively. Their respective threshold frequencies would be

A

2.52

B

2.2

C

2.35

D

2.01

Text Solution

Verified by Experts

The correct Answer is:
B
As the size of atom increases, energy required to over come the attractive forces on the outer most electron decreases.
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