Describe the Brag’s diffraction condition in both the direct and the reciprocal spaces?
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- Monochromatic beams are passed on the diffraction grid with a lattice count of 100 lattice/cm of light undergoes dark diffraction to three measured within 5.5 mm of light center, gap distance to the screen 40 cm. What is the wavelength of light used?Which of the steps is not needed to determine whether the Bragg condition is fulfilled? All of these steps are necessary O Calculate their respective interplanar distances O Calculate the angle 0 for all the set of lattice planes Index all the set of lattice planes that can fulfill the condition O Determine whether the Bragg condition is fulfilled knowing the wavelength of X-raysDetermine the probability that a photon is detected at the location of the first minimum of a 3-slit grating if the thrid slit is closed. You can assume that the magnitude of the probability amplitude due to each slit is r. (Hint: Start by showing how the complex amplitudes from each slit add up to zero at the first minimum. What is the resulting amplitude if the first amplitude is eliminated?)
- Use the worked example above to help you solve this problem. A sodium surface is illuminated with light of wavelength 0.329 µm. The work function for sodium is 2.46 eV.solve all for upvoteModal Dispersion. Light of wavelength = 0.633 µm is transmitted through a mirror waveguide of mirror separation d = 10 μm and n = 1. Determine the number of TE and TM modes. Determine the group velocities of the fastest and the slowest mode. If a narrow pulse of light is carried by all modes for a distance 1 m in the waveguide, how much does the pulse spread as a result of the differences of the group velocities?