TS EAMCET 19-July-2022 Shift 2 Solved Paper

Section: Physics

Question : 114 of 160

Marks: +1, -0

In a photo electric experiment, the wavelength of the light incident on the metal is changed from 200nm to 400nm. The decrease in the stopping potential is close to [Use hc =1240eV−nm where h = Planck's constant and c is velocity of light]

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1.2V

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