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Known scaling: $\theta_E = 1'' \left( \fracM10^11 M_\odot \right)^1/2 \left( \fracD_ls/D_s0.5 \right)^1/2 \left( \fracD_l1,\textGpc \right)^-1/2$. physics galaxy discussion questions solutions
. A "good" discussion solution in physics should not just state a number, but support or reject a hypothesis based on existing physical laws. step-by-step breakdown of a specific problem from a particular chapter, such as Electrodynamics Physics Galaxy Ashish Arora is widely considered one
note occasional errors in solutions; always cross-verify results with fundamental laws if a solution seems illogical. Sample Discussion Concepts & Solutions step-by-step breakdown of a specific problem from a
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Physics Galaxy provides extensive solutions and discussion materials for competitive exams like , JEE Advanced , and NEET through various formats, including books, video lectures, and online forums. While a single "paper" for all discussion questions isn't standard, you can find specific problem sets and their solutions through the following official and community resources: Official Resources & Practice Sets
The maximum steady luminosity is set by radiation pressure balancing gravity (Eddington limit): [ L_\textEdd = \frac4\pi G M_\textBH m_p c\sigma_T \approx 1.3 \times 10^38 \left(\fracM_\textBHM_\odot\right) \text erg/s ] For (M_\textBH = 10^8 M_\odot), (L_\textEdd \approx 10^46) erg/s. Over (10^8) years, total energy released (\sim 10^61) ergs – consistent with observations.