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The work functions for metals A,B and Ca...

The work functions for metals A,B and Care 1.92 eV, 2.0 eV and 5.0 eV respctively. The metals which will emit photoelectrons for a radiation of wavelength `4100Å` is `//` are

A

A only

B

both A and B

C

all these metals

D

none

Text Solution

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The correct Answer is:
B
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