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The frequency of Helium Neon laser light is 4.5x1014 Hz. Calculate the energy of the photon in eV, Show your work
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- Explain what changes would take place in an x-ray diffraction pattern collected from a sample a) if the average crystal size of the sample increases, b) if the diffraction pattern is collected at higher temperatures (assume no phase transformations or grain growth takes place) and c) if the sample material is alloyed with another material (assume substitutional solid solution formation). Explain your reasoning for each case1. The Time Dependent Schrodinger equation: ih(t) = = LAC has general solutions: (t) = e(t = 0). Verify this solution (show your work).please help with the following questions (part d and e only) based on the question in the picture d. Find an expression for the velocity of the electron at each energy level. Calculatethe velocity of the electron at the lowest energy level. e. Assume a hypothetical ion with Z protons, no neutrons and one electron. Abovewhich Z the velocity of the electron exceeds the speed of light? can such an atomexist?
- Calcium has a work function of 2.87eV. Which equation would you use to find the cutoff wavelength for the Calcium? Show your work in calculating the cutoff wavelength of calcium. What is the cutoff wavelength of Calcium? Which equation would you use to determine the frequency that corresponds to the wavelength? Show your work in calculating the frequency. What is the frequency that corresponds to the cutoff wavelength?Welcome to this IE. You may navigate to any page you've seen already using the IE Outline tab on the right. A light source of wavelength, 1, illuminates a metal and ejects photoelectrons with a maximum kinetic energy of 1 ev. A second light source of wavelength A/2 ejects photoelectrons with a maximum kinetic energy of 4 ev. What is the work function of the metal? Give your answer in ev. f = evHere are the results of a photoelectric effect experiment. Calculate the wavelength of Monochromatic light #2. Show your work Monochromatic light #1 on plate A stopping potential = 500 mV wavelength = 590 nm Monochromatic light #2 on plate A stopping potential = 2300 mV wavelength =? %3D
- The Balmer series for the hydrogen atom comprises electron energy transitions that end in the n, = 2 state. E (eV) 0.00 6 5 -0.378 -0.544 2 -0.850 4 -1.512 2 -3.401 Balmer series ENERGYMillikan adjusted the potential difference between the electrodes of this experiment by sliding a wire up and down a high-resistance wire that was connected to a battery. Why does DV between the electrodes change as the point of contact is moved? Suppose that the slide wire is moved up, does DV between the electrodes increase or decrease? Explain briefly your choice. A negatively charged drop is falling. To stop its motion and keep it at rest, should the slide wire be moved up or down? ExplainThere is a point source photon emitter (sample) which emits photons is all directions. 2 mirrors either plane or parabolic are placed above it to collect photons. 1. For parabolic mirror it's z(x,y) = -1/(4*focal length) * (x²+y²) + a, if a is the offset along the positive z axis, so if you want the focus to be at the origin of the coordinate system, use a=f. Find solid angle by this mirror placed above a sample to collect photons. And then Find collection efficiency. You can derive it analytically after proper integration. 2. Plane mirror with an angle of 55 degrees from the sample plane. Find solid angle and collection efficiency for this one too. show by how much will parabolic mirror collect more than plane since sample is placed at focus of parabolic mir so rays become parallel which is not necessary the case in plane.
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