Pls answer letter d and e in number 1 thank youu 1. In an experiment to study the photoelectric effect, a scientist measures the kinetic energyof ejected electrons as a function of the frequency of radiation hitting a metal surface. Sheobtains the following plot. The point labelled "vo" corresponds to light with a wavelength of680 nm.Frequencya. What is the value of vo in s-1?b. What is the value of the work function of the metal in J?c. What happens when the metal is irradiated with light of frequency less than vo?d. Note that when the frequency of the light is greater than vo, the plot shows astraight line with a nonzero slope. Why is this the case?e. Can you determine the slope of the line segment discussed in part (d)? Explain.2. An electron starting from rest, accelerates through a potential difference of 418 V. Whatis the final de Broglie wavelength of the electron, assuming that its final speed is muchless than the speed of light?3. In the Bohr model of the hydrogen atom, what is the de Broglie wavelength for the electronwhen it is in (a) n = 1 level and (b) n = 4 level? In each case, compare the de Brogliewavelength to the circumference 2Tr, of the orbit.4. A scientist has devised a new method of isolating individual particles. He claims that thismethod enables him to detect simultaneously the position of a particle along an axis witha standard deviation of 0.12 nm and its momentum along this axis with a standarddeviation of 3.0 x1025 kg-m/s. Use the Heisenberg uncertainty principle to evaluate thevalidity of this claim.5. The Schrödinger equation for a particle of mass m that is constrained to move freely alonga line between 0 and a is(8n²mE`W(x) = 0dx2with the boundary conditiony(0) = p(a) = 0In this equation, E is the energy of the particle and (x) is its wave function. Solve thisdifferential equation for (x), and apply the boundary conditions.Electrono kinetic energy

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of ejected electrons as a function of the frequency of radiation hitting a metal surface. She obtains the following plot. The point labelled "vo" corresponds to light with a wavelength of 680 nm. Frequency - Electron - kinetic energy-

of ejected electrons as a function of the frequency of radiation hitting a metal surface. She obtains the following plot. The point labelled "vo" corresponds to light with a wavelength of 680 nm. Frequency - Electron - kinetic energy-

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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