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- Let Ap be the difference between the phase shift a Helium-Neon laser beam expe- riences on traversing a given length of vacuum and on traversing the same length of plasma. What is Ad when the laser beam passes through 10 cm of plasma having a density of n = 102? m?? How could this be used as a density diagnostic? The wavelength of the He-Ne laser radiation is 632.8 nmh) The difference in arrival time between wave-packets with centre frequencies of ω1 and ω2 is Δt. What is DM in terms of Δt ?Can you go through the steps on how I would solve the spherical wave equation. No need to apply boundary conditions.
- Inteity rty (500nm Question: Explain how your screenshots show the two different types of wave interference - constructive and destructive. Please explain your answer in at least two complete sentences.4What is the difference between a continuous spectrum and a discrete spectrum? O A discrete spectrum is represented by distinct spectral components. A continuous spectrum represents a sound that continues indefinitely. O A discrete spectrum represents a sound that is turned on and off. A discrete spectrum is represented by an area under a curve.