Youth Teaching SG

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▶ Class 11[WBCHSE]  Physics Full Details Course in Bengali Version

✔Click Here👉    YTSG_Class_11_Physics


▶ Class 12[WBCHSE]  Physics Full Details Course in Bengali Version

✔Click Here👉    YTSG_Class_12_Physics


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▶Youth Teaching SG

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🔴Youth Teaching SG   Facebook Group Link ➡YTSG Facebook Group

✅Other youtube channel:

▶ATV s Tutorial

🔴ATV s Tutorial   youtube Channel link  ➡   ATV s Tutorial

▶Saubhik sstory

🔴Saubhik sstory   youtube Channel link  ➡   Saubhik sstory


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āĻĒৃāĻĨিāĻŦীāĻ° āĻ˜āĻ¨āĻ¤্āĻŦ āĻŦāĻ°্āĻ¤āĻŽাāĻ¨ āĻ˜āĻ¨āĻ¤্āĻŦেāĻ° 4 āĻ—ুāĻ¨ āĻ“ āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§ āĻŦāĻ°্āĻ¤āĻŽাāĻ¨ āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§েāĻ° āĻ…āĻ°্āĻ§েāĻ• āĻšāĻ˛ে āĻ†āĻŽাāĻĻেāĻ° āĻ“āĻœāĻ¨েāĻ° āĻ•ি āĻĒāĻ°িāĻŦāĻ°্āĻ¤āĻ¨ āĻšāĻŦে ?

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 āĻ“āĻœāĻ¨েāĻ° āĻĢāĻ°্āĻŽুāĻ˛া: F = G M m R 2 F = \frac{G M m}{R^2} ​ āĻāĻ–াāĻ¨ে: F F  āĻšāĻš্āĻ›ে āĻ“āĻœāĻ¨ (gravitational force), G G  āĻšāĻš্āĻ›ে āĻ—ুāĻ°āĻ¤্āĻŦāĻœāĻ¨িāĻ¤ āĻ§্āĻ°ুāĻŦāĻ•, M M  āĻšāĻš্āĻ›ে āĻĒৃāĻĨিāĻŦীāĻ° āĻ­āĻ°, m m  āĻšāĻš্āĻ›ে āĻŦāĻ¸্āĻ¤ুāĻŸিāĻ° āĻ­āĻ°, R R  āĻšāĻš্āĻ›ে āĻĒৃāĻĨিāĻŦীāĻ° āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§। ā§§. āĻ­āĻ°েāĻ° āĻĒāĻ°িāĻŦāĻ°্āĻ¤āĻ¨: āĻĒৃāĻĨিāĻŦীāĻ° āĻ˜āĻ¨āĻ¤্āĻŦ Ī \rho āĻĻ্āĻŦাāĻ°া āĻĒৃāĻĨিāĻŦীāĻ° āĻ­āĻ° M M  āĻāĻŦং āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§ R R  āĻāĻ° āĻŽāĻ§্āĻ¯ে āĻ¸āĻŽ্āĻĒāĻ°্āĻ• āĻ°ā§ŸেāĻ›ে। āĻ˜āĻ¨āĻ¤্āĻŦেāĻ° āĻ¸āĻ™্āĻ—ে āĻ­āĻ° āĻ“ āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§েāĻ° āĻ¸āĻŽ্āĻĒāĻ°্āĻ•েāĻ° āĻĢāĻ°্āĻŽুāĻ˛া: M ∝ Ī R 3 M \propto \rho R^3 āĻāĻ–āĻ¨, āĻĒৃāĻĨিāĻŦীāĻ° āĻ˜āĻ¨āĻ¤্āĻŦ ā§Ē āĻ—ুāĻŖ āĻāĻŦং āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§ āĻ…āĻ°্āĻ§েāĻ• āĻšāĻ˛ে: āĻ¨āĻ¤ুāĻ¨ āĻĒৃāĻĨিāĻŦীāĻ° āĻ˜āĻ¨āĻ¤্āĻŦ āĻšāĻŦে 4 Ī 4\rho , āĻ¨āĻ¤ুāĻ¨ āĻĒৃāĻĨিāĻŦীāĻ° āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§ āĻšāĻŦে R 2 \frac{R}{2} āĻ¤াāĻšāĻ˛ে āĻ¨āĻ¤ুāĻ¨ āĻ­āĻ° āĻšāĻŦে: M ′ ∝ ( 4 Ī ) ( R 2 ) 3 = 4 Ī ⋅ R 3 8 = 1 2 Ī R 3 M' \propto (4 \rho) \left( \frac{R}{2} \right)^3 = 4 \rho \cdot \frac{R^3}{8} = \frac{1}{2} \rho R^3 āĻ…āĻ°্āĻĨাā§Ž, āĻ¨āĻ¤ুāĻ¨ āĻĒৃāĻĨিāĻŦীāĻ° āĻ­āĻ° āĻšāĻŦে āĻŦāĻ°্āĻ¤āĻŽাāĻ¨ āĻĒৃāĻĨিāĻŦীāĻ° āĻ­āĻ°েāĻ° āĻ…āĻ°্āĻ§েāĻ•। ā§¨. āĻ—ুāĻ°āĻ¤্āĻŦāĻœāĻ¨িāĻ¤ āĻŸাāĻ¨েāĻ° āĻĒāĻ°িāĻŦāĻ°্āĻ¤āĻ¨: āĻ—ুāĻ°āĻ¤্āĻŦāĻœāĻ¨িāĻ¤ āĻŸাāĻ¨ āĻŦা āĻ“āĻœāĻ¨েāĻ° āĻĢāĻ°্āĻŽুāĻ˛াā§Ÿ āĻĒৃāĻĨিāĻŦীāĻ° āĻ­āĻ° āĻāĻŦং āĻŦ্āĻ¯াāĻ¸াāĻ°্āĻ§েāĻ° āĻĒāĻ°িāĻŦāĻ°্āĻ¤āĻ¨ āĻšিāĻ¸াāĻŦ āĻ•āĻ°āĻ˛ে: F ′ = G M ′ m R ′ 2 F' = \frac{G M' m}{R'^2} ​ āĻāĻ–াāĻ¨ে M ′ M'  āĻšāĻš্āĻ›ে āĻ¨āĻ¤ুāĻ¨ āĻĒৃāĻĨিāĻŦীāĻ° āĻ­āĻ° āĻāĻŦং R ′ R' āĻšāĻš্āĻ›ে...
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