Answer the following questions attached in the file. I have provided a short description of the questions below: it will only take minutes if you're a professional. The questions are attached in this task with the images of the questions.
Q1. is about black body radiation and its temperature.
Q2. Is about Hydrogen atom H1 H2 etc, and rayleigh limits and blackbody.
Q3. is about stellar atmospheres, eddington approximations in terms of optical depth.
Q4. is about random walk of photons, phtons scattering.
Q5 is about hydrogen atom and its energy levels.