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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 `lambda` for sodium is `5460 Å`, the value of `lambda` 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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