The conductivity of a metal at ultraviolet frequency (1014 Hz) approxi

1.	The conductivity of a metal at ultraviolet frequency (1014 Hz) approximately equals:
A.	infinity
B.	zero
C.	dc conductivity
D.	half of dc conductivity
Answer» B. zero

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The conductivity of a metal at ultraviolet frequency (1014 Hz) approximately equals:

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