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Q1:

If WF is the Fermi level, then in a metal at T = 0

A all energy levels above WF filled, all those below WF are empty

B all energy levels below WF are filled, all those above WF are empty

C some energy levels, both below and above WF, are filled

D all energy levels below and above WF are filled

ANS:B - all energy levels below WF are filled, all those above WF are empty

No answer description is available. 



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