Electrons are ejected from a metallic surface with speed of up to 5.8 x 106 cm/s, when light with a wavelength of 550 nm is used. i) What is the work function of the surface? ii) What is the cut off frequency? iii) What is the energy of the incident photon

Electrons are ejected from a metallic surface with speed of up to 5.8 x 106 cm/s, when light with a wavelength of 550 nm is used. i) What is the work function of the surface? ii) What is the cut off frequency? iii) What is the energy of the incident photon

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Question

Electrons are ejected from a metallic surface with speed of up to 5.8 x 106
cm/s,
when light with a wavelength of 550 nm is used.
i) What is the work function of the surface?
ii) What is the cut off frequency?
iii) What is the energy of the incident photon

Expert Solution