the-plot-below-shows-the-kinetic-energy-of-ejected-electrons-as-a-function-of-th

Question

The plot below shows the kinetic energy of ejected electrons as a function of the frequency of radiation done to study the photoelectric effect. Calculate the frequency at point A in s^-1 if it corresponds to light with a wavelength of 756 nm.

Graph showing electron kinetic energy vs frequency, with point A marked for wavelength 756 nm.

Accepted Answer

3.97x10¹⁴ s^-1

Answer

5.61x10¹⁴ s^-1

Answer

1.23x10¹⁴ s^-1

Answer

7.84x10¹⁴ s^-1