Question: When a certain photoelectric surface is illuminated with light of different wavelengths, the following stopping potentials are observed:Plot the stopping potential on the vertical axis

When a certain photoelectric surface is illuminated with light of different wavelengths, the following stopping potentials are observed:Plot the stopping potential on the vertical axis against the frequency of the light on the horizontal axis. Determine(a) The threshold frequency;(b) The threshold wavelength;(c) The photoelectric work function of the material (in electron volts);(d) The value of Planck's constant h (assuming that the value of e isknown). Wavelength (nm) 366 405 436 492 546 579 Stopping potential (V) 1.48

Wavelength (nm) 366 405 436 492 546 579 Stopping potential (V) 1.48 1.15 0.93 0.62 0.36 0.24

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