First law of thermodynamics | তাপগতিবিদ্যা | Thermodynamics | Class 11 | Semester 2 | In Bengali |L1

Chemistry বুঝতে সমস্যা হচ্ছে? WBJEE /NEET/ JEE / Board exam এর জন্য strong preparation করতে চাইলে এখনই Rakhimaam Chemistry App–এর Paid Course এ Join কর। এই কোর্সে যা যা পাবে – 🔹 Class 11 & 12 Chemistry সম্পূর্ণ Conceptual Lecture 🔹 WBJEE / Competitive exam oriented problem solving 🔹 Questions Practice & Mock Test 🔹 Exam strategy & guidance এই কোর্সটি বিশেষভাবে তৈরি করা হয়েছে WBJEE , Board Exam এবং Competitive preparation এর জন্য। 📲 Paid Course Join Link: 👉 Rakhimaam Chemistry App Link : https://play.google.com/store/apps/de... Rakhimaam Chemistry Website Link : https://rakhimaamchemistry.akamai.net.in Current Offerings : Three paid courses 1. আয়রন Sem2 batch for Class 11 Semester 2 (Chemistry) 2. প্ল্যাটিনাম Sem4 batch for Class 12 Semester 4 (Chemistry) 3. স্বপ্নপূরণ batch for Competitive Combined (Chemistry) এখনই Join করে নিজের Chemistry preparation কে next level এ নিয়ে যাও। #RakhimaamChemistry #WBJEE2026 #ChemistryCourse #WBJEEChemistry #ChemistryPreparation#studychemistrywithrakhidutta #rakhimamchemistry #runwithrakhi #class11semester2 #class11 #chemistry #revision #thermodynamics #RDspecial #wbchsechemistry #chemistryinbengali #firstlawofthermodynamics তাপগতিবিদ্যা Class11 semester 2 তাপগতিবিদ্যা class 11 Chemistry Thermodynamics in bengali chemistry class 11 chapter chemistry in bengali একাদশ শ্রেণী রসায়ন অধ্যায় System Surroundings Boundary Types of system Extensive property Intensive property State function Path function Cyclic process Isothermal process Adiabatic process Isochoric process Isobaric Process Reversible process Irreversible process Zeroth law of thermodynamics Isolated system Class 11 Semester 2 Chemistry: Thermodynamics (তাপগতিবিদ্যা) - Lecture 1Welcome to today's lesson! In this video, we discuss the First Law of Thermodynamics (তাপগতিবিদ্যার প্রথম সূত্র) in Bengali, tailored specifically for Class 11 Semester 2 students.Whether you are preparing for your school exams or building your conceptual foundation, this video covers everything you need to know clearly and simply. What you will learn in this video: 00:00 - Introduction to Thermodynamics What is the First Law of Thermodynamics? (Energy Conservation) Mathematical Expression and Sign Conventions Internal Energy (ΔU), Heat (ΔQ), and Work (ΔW)Applications in Isothermal, Adiabatic, and Isochoric processes 👍 If you find this video helpful, make sure to Like, Share, and Subscribe for more Class 11 science tutorials in Bengali!#Thermodynamics #FirstLawOfThermodynamics #class11semester2 #Class11Chemistry #Tapogotividya #BengaliTutorial #Semester2