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In the following figure gives the stoppi...

In the following figure gives the stopping voltage V versus the wavelength `lambda` of light for three different materials. Rank the materials according to their work function, greatest first.

A

`phi_(3)gtphi_(2)gtphi_(1)`

B

`phi_(1)gtphi_(2)gtphi_(3)`

C

`phi_(2)gtphi_(3)gtphi_(1)`

D

`phi_(3)gtphi_(1)gtphi_(2)`

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The correct Answer is:
A
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