The work function of Lithium is 2.3 eV. What is the cutoff frequency for Lithium? a) 1.8*10-15 Hz. b) 5.55*1016 Hz. c) 5.55*1014 Hz. d) none of these.

The work function of Lithium is 2.3 eV. What is the cutoff frequency for Lithium? a) 1.810-15 Hz. b) 5.551016 Hz. c) 5.55*1014 Hz. d) none of these.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter29: Introduction To Quantum Physics

Section: Chapter Questions

Problem 39PE: (a) What is the momentum of a 0.0100-nm-wavelength photon that could detect details of an atom? (b)...

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Concept explainers

Rutherford's scattering experiment

Rutherford’s scattering experiment is also known as the gold foil experiment. This experiment disproved the plum pudding model of J.J. Thomson. In a gold foil experiment, high-energy alpha particles are made to strike a thin gold foil. The scattered alpha particles are detected using a detector. This experiment showed that the positive charge of the atom is at the center. Most of the atom’s mass is also confined to a small volume at the center. This region is known as the nucleus of the atom.

Question

The work function of Lithium is 2.3 eV. What is the cutoff frequency for Lithium?

a) 1.8*10^-15 Hz.

b) 5.55*10¹⁶ Hz.

c) 5.55*10¹⁴ Hz.

d) none of these.

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