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The work function for Al, K and Pt is 4....

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

A

`Pt gt Al gt k `

B

`Al gt Pt gt K `

C

`K gt Al gt Pt `

D

`Al gt K gt Pt `

Text Solution

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The correct Answer is:
A
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