The radiation corresponding to 3→ 2 transition of hydrogen atom falls on a metal surface to produce photoelectrons. These electrons are made to enter field to 3\times10^{-4}T.If the radius of the largest circular path followed by these electrons is 10.0 mm,the work function of the metal is close to : [Main 2014]

JEE Main 2014 Question Paper

Section: Physics

Question : 25 of 90

Marks: +1, -0

The radiation corresponding to 3→ 2 transition of hydrogen atom falls on a metal surface to produce photoelectrons. These electrons are made to enter field to 3×10−4T.If the radius of the largest circular path followed by these electrons is 10.0 mm,the work function of the metal is close to :

[Main 2014]

0.8 eV
1.6 eV
1.8 eV
1.1 eV

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