The photoelectric threshold wavelength for a metal surface is 6600 Å. – McqOptions

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1.	The photoelectric threshold wavelength for a metal surface is 6600 Å. The work function for this is [MP PET 1991]
A.	1.87 V
B.	1.87 eV
C.	18.7 eV
D.	0.18 eV
Answer» C. 18.7 eV

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