Physics Wallah Alakh Pandey Notes

🌿 Important Increasing Order 🌱 ✔️ BOND ANGLE :- (i) CH4 , C2H4 , C2H2 (ii) H2O, NH3 , CH4 , CO2 (iii) H2O, NH3 , CH4 , BH3 (iv) NO2—, NO2 , NO2+ (v) H2Se, H2S, H2O (vi) AsH3 , PH3 , NH3 (vii) PF3 , PCl3 , PBr3 , PI3 (viii) NF3 , NCl3 (ix) NF3 , NH3 , NCl3 (x) OF2 , OH2 , Cl2O ✔️ MELTING POINT :- (i) Cs, Rb, K, Na, Li (ii) Mg, Ba, Sr, Ca, Be (iii) CaI2 , CaBr2 , CaCl2 , CaF2 (iv) BeCl2 , MgCl2 , CaCl2 , SrCl2 , BaCl2 (v) NaI, NaBr, NaCl, NaF (vi) CsCl, RbCl, KCl, NaCl (vii) AlCl3 , MgCl2 , NaCl ✔️ BOILING POINT :- (i) PH3 , AsH3 , NH3 , SbH3 (ii) H2S, H2Se, H2O (iii) HCl, HBr, HI, HF (iv) NH3 , HF, H2O (v) He, Ne, Ar, Kr (vi) H2O, D2O (vii) H2 , Cl2 , Br2 ✔️ DIPOLE MOMENTS :- (i) CCl4 , CHCl3 , CH2Cl2 ,CH3Cl (ii) NF3 , NH3 , H2O, HF (iii) Cis-chloropropene, Trans-chloropropene (iv) p, m, o-dichlorobenzene (v) CH3I, CH3Br, CH3F, CH3Cl (vi) NH3 , SO2 , H2O, HF (vii) H2S, H2O (viii) HI, HBr, HCl, HF (ix) PH3 , ASH3 , SbH3 , NH3 (x) H2O, H2O2 ————————————————

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𝗟𝗨𝗡𝗚𝗦 🫁 ● Lungs are situated in the thoracic chamber which is anatomically an air-tight chamber. ● The thoracic chamber is formed dorsally by the vertebral column,ventrally by the sternum, laterally by the ribs and on the lower side by the dome-shaped diaphragm. ● The anatomical setup of lungs in thorax is such that any change in the volume of the thoracic cavity will be reflected in the lung (pulmonary) cavity. ● Such an arrangement is essential for breathing,as we cant directly alter the pulmonary volume ● Lungs are covered by a double layered pleura with pleural fluid between them.It reduces friction on the lung-surface. ● Outer pleural membrane is in close contact with the thoracic lining Inner pleural membrane is in contact with the lung surface.

Important Physical Constants 😎

EVERYDAY LIFE, BUT THE ENEMY ? Our own minds 🧠 💪No Surrender: Ups and downs, but giving up is never ❌ an option! 🙌Confidence, patience, and the spirit that whispers, "I will make it happen!" 💯Our Biggest Fight is Internal: Against fear, doubt, and laziness. 🔥Every Day a New Arena: Responsibilities, expectations, but most importantly, conquering ourselves. 💞Win Some, Lose Some, But Never Stop: We learn, improve, and keep moving forward. 🎯Solitude is Our Strength: Talk to yourself, identify weaknesses, and grow stronger. 🥇100 Small Steps, Big Impact: Daily progress, even incremental, leads to a better version of ourselves. ⏰This Fight Ain't Easy, But We Ain't Easy Neither! 🩷So Rise Up, Face Yourself, and Fly the Victory Flag Every Day! #motivation #inspiration #love

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