Bohr's Model & Subatomic Particles | Class 9 Chemistry Unit 2.1.2 & 2.1.3 | Electron Kahan

Rutherford ka atom gir jana chahiye tha. Girta nahi. Yeh video usi jawab ke baare mein hai jo Niels Bohr ne 1913 mein diya, aur un teen particles ke baare mein jin se atom bana hai. Pehle Bohr ke chhe postulates, numbering ke saath, wahi tarteeb jo book deti hai. Chauthe ke saath delta E wala formula aata hai, aur har symbol ka matlab alag se. Electron sirf muqarrar orbits mein reh sakta hai, do orbits ke darmiyan nahi, aur is video mein wo baat seedhi (staircase) par dikhayi gayi hai: do steps ke beech koi khara nahi ho sakta. Phir K, L, M, N, aur wo teen chhote checks jo aap khud kar ke dekh sakte hain. Us ke baad Rutherford aur Bohr ka seedha farq, do column ki table mein, kyun ke paper is sawal ka jawab table mein maangta hai, paragraph mein nahi. Doosra hissa fundamental particles ka hai. Electron, proton, neutron: har ek ka charge, mass, discovery aur us ki jagah. Mass ke numbers itne chhote hain ke pehle unhein mehsoos karna zaroori hai, phir likhna, is liye wo hissa numbers se pehle aata hai. Aakhir mein 2.1.2 aur 2.1.3 ka paper wala hissa: short question, aur chaar MCQs ek ek kar ke, har ek ki wajah ke saath. Definitions book ke apne alfaaz mein hain. Baqi sab apna hai. CHAPTERS 0:00 Chauda August, aur roshni ka sawal 0:24 Pichli video kahan khatam hui thi 1:22 Bohr ka khayal, ek tasveer mein 2:38 Postulates one to three 4:51 Chautha postulate, aur delta E wala formula 7:17 Postulates five and six 8:34 Itna chhota number parhte kaise hain 9:36 K, L, M, N 10:19 Teen tez checks 11:17 Rutherford aur Bohr ka farq 12:12 2.1.2 paper mein 14:39 K aur L wala short question 15:35 Ek MCQ 16:53 Numbers se pehle mass ko mehsoos kijiye 18:06 Fundamental particles ki definition 18:36 Electron 19:36 Proton 20:15 Neutron 20:57 Teenon ki table, aur tarteeb 21:59 Atom ka structure, sab ek saath 22:57 2.1.3 paper mein 25:28 Teen MCQs, ek ek kar ke 28:01 Close aur self-check #Class9Chemistry #KPKBoard #RattaBandSamajhOn POORI SERIES, SAHI TARTEEB MEIN    • Class 9 Chemistry · Unit 2: Structure of a...   01 Atomic Models: Dalton & Rutherford    • Atomic Models: Dalton & Rutherford | Class...   02 Bohr's Model & Subatomic Particles    • Bohr's Model & Subatomic Particles | Class...   03 Electronic Configuration, First 18 Elements    • Electronic Configuration, First 18 Element...   04 Isotopes and Their Uses    • Isotopes and Their Uses | Class 9 Chemistr...   05 Exam Focus & Practice Paper    • Unit 2 Exam Focus & Practice Paper | Class...