if i had a d-spacing of 0.82nm, 0.47nm for a biological hydroxyapatite and i want to find the miller indices without going through bragg law, how can i do it?
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- There is no limit to the size ahydrogen atom can attain, provided it is free from disruptive outside influences. In fact, radio astronomers have detected radiationfrom large, so-called “Rydberg atoms” in the diffuse hydrogen gasof interstellar space. (a) Find the smallest value of n such that theBohr radius of a single hydrogen atom is greater than 8.0 microns,the size of a typical single-celled organism. (b) Find the wavelength of radiation this atom emits when its electron drops fromlevel n to level n - 1. (c) If the electron drops one more level, fromn - 1 to n - 2, is the emitted wavelength greater than or lessthan the value found in part (b)? Explain.You are on an interstellar mission from the E arth to the 8.7 light-years distant star Sirius. Your spaceship can travel with 70% the spee d of light and has a cylindrical shape with a diameter of 6 m at the front surface and a le ngth of 25 m. You have to cross the interstel lar medium with an approximated density of 1 hydrogen atom/m3. (a) Calculate the time it takes your spaceshi p to reach Sirius. (b) Determine the mass of interstellar gas th at collides with your spaceship during the mi ssion.What is the d-spacing of an XRD of a BCC crystal corresponding to a peak at 50ᵒ when studied using 1.5406 Aᵒ wavelength X-ray?. If a = 14.5316 Aᵒ for the crystal, what are the Miller indices corresponding to this peak?
- For Q=q° cos pb and P=q°sin pb to be canonical, find the values of a and b. (а) а %3D and b=3 3 (b) a= and b=2 (c) a=2 and b=3 (d) a=3 and b=5(b) Calculate the half width in nanometers for Doppler broadening of the 4s S 4p transition for atomic nickel at 361.939 nm (3619.39 Å) at a temperature of 20,000 K in both wavelength and frequency units. (e) Calculate the speed that an iron atom undergoing the 4s S 4p transition at 385.9911 nm (3859.911 Å) would have if the resulting line appeared at the rest wavelength for the same transition in nickel. (f) Compute the fraction of a sample of iron atoms at 10,000 K that would have the velocity calculatedin (e). (g) Create a spreadsheet to calculate the Doppler half width DlD in nanometers for the nickel and iron lines cited in (b) and (e) from 3000–10,000 K. (h) Consult the paper by Gornushkin et al. (note 10) and list the four sources of pressure broadening that they describe. Explain in detail how two of these sources originate in sample atoms.Let u,= 0.02 cm 1 and u, = 0.04 cm be the partial linear attenuation coefficients in the slab shown in the figure below. Let L = 5 cm and No = 106 particles. How many particles N, are transmitted, and how %3D many are absorbed by each interaction process in the slab? dt Uncharged partleles No N,
- Soru 5/10 10 Puan A straigt cylindncal wire lying along thea ais has a lemgh of L2 and a radiun of r0dmm. The a renistivity of the wre's material ispdloC tf the potratal differmce acrisa the ud of aien i V-10 Vas caleulate the magnitide of the cunent density (J) AI512x 10'Am C1 407 10 Am D21x 10 A Seçimi SitriaIf aceleration () with amognitud of 10 m/st and dise tion of 37 degrees is added to accelexution (2) with a magnitud of Jom/s and a drection of 120 degrees. The mag nitud of the Sum of tbese accelesations isProblem A newly discovered light positively charged particle has a mass of m and charge q. Suppose it moves within the vicinity of an extremely heavy (fixed in place) particle with a positive charge Q and mass M. When the light particle is xi distance from the heavy particle, it is moving directly away from the heavy particle with a speed of vi. a) What is the lighter particle's speed when it is xf away from the heavy particle? (Consider the Newtonian Gravitation acting between the two charged particles. Ignore the effects of external forces) Solution: We may solve this using two approaches. One involves the Newton's Laws and the other involving Work-Energy theorem. To avoid the complexity of vector solution, we will instead employ the Work-Energy theorem, more specifically, the Conservation of Energy Principle. Let us first name the lighter particle as object 1 and the heavy particle as object 2. Through work-energy theorem, we will take into account all of the energy of the…