AP EAMCET Engineering 18 Sep 2020 Shift 1 Paper

Section: Physics

Question : 120 of 160

Marks: +1, -0

The retarding potential necessary to stop the emission of photoelectrons, when a target material of work function 1.24 eV is irradiated with light of wavelength 4.36×107 m is

4.08 eV
2.84 eV
1.60 eV
0.36 eV

Validate

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