CGPET 2017 Solved Paper

Section: Physics

Question : 38 of 150

Marks: +1, -0

When a light of wavelength 400nm is incident on the cathode of a photocell, the stopping potential recorded is 6V. If the wavelength of the incident light is increased to 600nm, then the new stopping potential is

4.5V
4V
5.97V
4.97V

Validate

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