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The work function for tungsten and sodiu...

The work function for tungsten and sodium are 4.5 eV and 2.3 eV, respectively. If the threshold wavelength `lamda` for sodium is `5460 A`, the value of `lamda` for tungsten is

A

` 5893 Å`

B

`10683 Å`

C

`2791 Å `

D

`528 Å `

Text Solution

Verified by Experts

The correct Answer is:
C
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