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- The energy-level scheme for the hypothetical one electron element Searsium is shown in the figure above. The potential energy is taken to be zero for an electron at an infinite distance from the nucleus. (a) How much energy (in electron volts) does it take to ionize an electron from the ground level? (b) An 18-eV photon is absorbed by a Searsium atom in its ground level. As the atom returns to its ground level, what possible energies can the emitted photons have? Assume that there can be transitions between all pairs of levels. (c) What will happen if a photon with an energy of 8 eV strikes a Searsium atom in its ground level? Why? (d) Photons emitted in the Searsium transitions n = 3 ⟶⟶ n = 2 and n = 3 ⟶⟶ n = 1 will eject photoelectrons from an unknown metal, but the photon emitted from the n = 4 ⟶⟶ n = 3 transition will not. What are the limits (maximum and minimum possible values) of the work function of the metal?Compare the efficiency and resolution of a semiconductor detector anda scintillation detector exposed to γ rays. Why are the efficiency andresolution different?What is the cutoff wavelength Amin in pico meters (10-12) of the X-Rays emitted when 32.1 kilo eV electrons fall on a molybdenum target? Please give your answer with one decimal place.
- Using the given charge-to-mass ratios for electrons andprotons, and knowing the magnitudes of their charges areequal, what is the ratio of the proton’s mass to the electron’s?(Note that since the charge-to-mass ratios are given to onlythree-digit accuracy, your answer may differ from theaccepted ratio in the fourth digit.)AK éléctron in a hydrogen atom makes a transition from the state n= 12 to the state n= 2. Give the wavelength of the photon emitted during this transition in units of nm. Round your answer to 2 significant figures. Add your answerFor problem 10, calculate the observed distance between the 10th order minima in millimeters if a diode laser with a wavelength of 650 nm is used instead!! (5 sig figs)
- Please solve this question accurate, I'll appreciate and will rate it up thankschecking answer The spectrum of another astronomical object has a peak wavelength of 51 nanometers. What is the likely surface temperature of this object? Make that calculation, showing your workNeeds Complete solution with 100 % accuracy don't use chat gpt or ai.