EAMCET Engineering 2007 Solved Paper

Section: Physics

Question : 37 of 160

Marks: +1, -0

The work function of the nickel is 5‌eV. When a light of wavelength 2000Å falls on it, it emits photoelectrons in the circuit. Then the potential difference necessary to stop the fastest electrons emitted is (given h=6.67×10−34J− s)

1.0V
1.25V
1.75V
0.75V

Validate

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