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ID#5629 HSC Physics 1st MCQ (Chittagong 2025)

সূর্যের চারদিকে পৃথিবীর আবর্তনকাল $365$ দিন। দূরত্ব $1.5 \times 10^{11} m$ হলে সূর্যের ভর কত?
ক) $1.56 \times 10^{17} kg$
খ) $2 \times 10^{20} kg$
গ) $6 \times 10^{24} kg$
ঘ) $2 \times 10^{30} kg$

ব্যাখ্যা

$M = \frac{4pi^2 r^3}{GT^2} \approx 2 \times 10^{30} kg$।
Resource Details
Exam HSC
Subject Physics 1st paper
Chapter 6
Board Chittagong
Year 2025

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