Course Content
Class XII PHYSICS
🔭 Dev Classes Online Course: Class 12 Physics Syllabus 2026 | Bihar Board 📘 Course Overview: Welcome to Dev Classes Online Course — your trusted companion for mastering Class 12 Physics as per the latest Bihar School Examination Board (BSEB) 2026 syllabus. This course is carefully designed to build strong conceptual understanding and problem-solving skills needed for scoring high in board exams and competitive entrance tests. 📚 What You’ll Learn: ✅ Complete NCERT & Bihar Board Syllabus Coverage: Unit-wise, chapter-wise explanation of every topic Important derivations, formulas, and laws explained in simple language Numerical problem-solving strategies and tricks ✅ Key Units Covered Include: 1️⃣ Electrostatics 2️⃣ Current Electricity 3️⃣ Magnetic Effects of Current & Magnetism 4️⃣ Electromagnetic Induction & Alternating Currents 5️⃣ Electromagnetic Waves 6️⃣ Optics (Ray & Wave Optics) 7️⃣ Dual Nature of Matter & Radiation 8️⃣ Atoms & Nuclei 9️⃣ Electronic Devices 🔟 Communication Systems ✅ Practicals & Experiments: Step-by-step explanation of Physics practicals Viva questions and lab manual support 🎯 Course Highlights: ✔️ HD video lectures by experienced Physics faculty ✔️ Detailed derivations & numerical problem-solving techniques ✔️ Topic-wise assignments, MCQs & practice sheets ✔️ Doubt-clearing sessions and periodic live discussions ✔️ Model papers, previous year papers & board-oriented test series ✔️ Mobile, tablet, or laptop access anytime, anywhere ✔️ 100% based on Bihar Board Class 12 Physics Syllabus 2026 🌟 Whether you want to boost your board marks or prepare your basics for competitive exams like JEE or NEET, this course is your one-stop solution for clear concepts and confident problem-solving. 📲 Join Dev Classes Junior today and make Physics your strongest subject with smart, structured learning!
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Physics Introduction Class | Syllabus Discussion | Study Plan, Strategy & Blueprint
CLASS XII PHYSICS DEMO
Class XII CHEMISTRY
🧪 Dev Classes Online Course: Class 12 Chemistry Syllabus 2026 | Bihar Board 📘 Course Overview: Welcome to Dev Classes Online Course, where learning Chemistry becomes simple, smart, and success-oriented! This course is specially crafted for Class 12 students of Bihar School Examination Board (BSEB) as per the latest 2026 syllabus, helping you build a strong foundation in both Physical, Inorganic, and Organic Chemistry. Whether you’re preparing for board exams, this course provides you with crystal-clear concepts, strategic practice, and exam-focused content. 🔍 What You’ll Learn: ✅ Complete Chapter-wise Coverage of the Following Units: 📗 Physical Chemistry: 1️⃣ Solid State 2️⃣ Solutions 3️⃣ Electrochemistry 4️⃣ Chemical Kinetics 5️⃣ Surface Chemistry 📘 Inorganic Chemistry: 6️⃣ The p-Block Elements 7️⃣ The d- and f-Block Elements 8️⃣ Coordination Compounds 📕 Organic Chemistry: 9️⃣ Haloalkanes and Haloarenes 🔟 Alcohols, Phenols, and Ethers 1️⃣ Aldehydes, Ketones, and Carboxylic Acids 2️⃣ Organic Compounds Containing Nitrogen 3️⃣ Biomolecules 4️⃣ Polymers 5️⃣ Chemistry in Everyday Life 🧪 Practical Component Includes: Explanation of all experiments Lab techniques and viva questions Observation and result-based learning 🎯 Key Features of This Course: ✔️ Concept-wise HD video lectures ✔️ NCERT-based explanation with Bihar Board focus ✔️ All important reactions, mechanisms, and numericals ✔️ Assignments, MCQs & PYQs after each chapter ✔️ Model test papers and exam strategy guidance ✔️ Regular doubt-clearing sessions ✔️ 100% syllabus coverage — mobile and laptop friendly 📈 This course is ideal for: Students targeting 90%+ in Chemistry board exam Beginners needing basic concept clarity 📲 Enroll in Dev Classes Junior now and experience Chemistry with clarity, confidence, and complete support!
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Chemistry Introduction Class | Syllabus Discussion | Study Plan, Strategy & Blueprint
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CLASS XII CHEMISTRY DEMO
CHAPTER 1 : Solutions LEC 1
Class XII MATHEMATICS
📐 Dev Classes Online Course: Class 12 Mathematics Syllabus 2026 | Bihar Board 📘 Course Overview: Welcome to Dev Classes Online Course, your trusted learning partner for Class 12 Mathematics as per the latest Bihar School Examination Board (BSEB) syllabus for 2026. This course is designed to build a rock-solid foundation in core Maths concepts, step-by-step problem-solving skills, and smart strategies to score high in your board exams. 🔍 What You’ll Learn: ✅ Complete NCERT & Bihar Board Syllabus Coverage: Unit-wise, topic-wise explanations with solved examples Short tricks and clear methods to tackle complex problems Tips for board exam presentation and error-free calculations ✅ Key Units Covered: 1️⃣ Relations and Functions 2️⃣ Inverse Trigonometric Functions 3️⃣ Matrices and Determinants 4️⃣ Continuity and Differentiability 5️⃣ Applications of Derivatives 6️⃣ Integrals and Applications of Integrals 7️⃣ Differential Equations 8️⃣ Vector Algebra 9️⃣ Three-Dimensional Geometry 🔟 Linear Programming 1️⃣1️⃣ Probability 🎯 Key Highlights of the Course: ✔️ HD video lectures with step-by-step solutions ✔️ Concept clarity for each chapter with NCERT focus ✔️ Topic-wise assignments, MCQs, and board-level practice questions ✔️ Previous year questions and expected model papers ✔️ Doubt-solving sessions and live revision classes ✔️ Practice worksheets and test series for self-assessment ✔️ Mobile, tablet, and laptop access — learn anytime, anywhere ✔️ 100% mapped to Bihar Board Class 12 Maths Syllabus 2026 💡 This course is perfect for: Students aiming for 90%+ marks in Maths board exam Learners who want to strengthen concepts for JEE, CUET, or other entrances Anyone looking for systematic and stress-free preparation from home 📲 Join Dev Classes Junior today and make Class 12 Mathematics your strongest subject with clear concepts, guided practice, and the right exam strategy.
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Mathematics Introduction Class | Syllabus Discussion | Study Plan, Strategy & Blueprint
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CLASS XII MATHEMATICS DEMO
CHAPTER 1 : Relations and Functions LEC 1
Class XII BIOLOGY
🌿 Dev Classes Online Course: Class 12 Biology Syllabus 2026 | Bihar Board 📘 Course Overview: Welcome to Dev Classes Online Course, your trusted learning partner for Class 12 Biology — fully aligned with the Bihar School Examination Board (BSEB) syllabus for 2026. This course is carefully designed to help you master every topic in the NCERT syllabus with clear concepts, exam-focused notes, and practice strategies to score high in board exams. 🔍 What You’ll Learn: ✅ Complete Syllabus Coverage: Unit-wise and chapter-wise explanations Important diagrams, labelling, and flowcharts Short tricks to remember complex processes and cycles NCERT exemplar and HOTS questions ✅ Key Units Covered Include: 1️⃣ Reproduction in Organisms 2️⃣ Sexual Reproduction in Flowering Plants 3️⃣ Human Reproduction 4️⃣ Reproductive Health 5️⃣ Principles of Inheritance and Variation 6️⃣ Molecular Basis of Inheritance 7️⃣ Evolution 8️⃣ Human Health and Diseases 9️⃣ Strategies for Enhancement in Food Production 🔟 Microbes in Human Welfare 1️⃣ Biotechnology: Principles and Processes 2️⃣ Biotechnology and its Applications 3️⃣ Organisms and Populations 4️⃣ Ecosystem 5️⃣ Biodiversity and Conservation 6️⃣ Environmental Issues ✅ Practicals & Lab Work: Full practical syllabus explained step-by-step Diagrams, experiments, and viva questions Lab manual support 🎯 Key Highlights of the Course: ✔️ HD video lectures with clear and simple explanations ✔️ Diagram-based teaching for better retention ✔️ Topic-wise assignments, MCQs, and practice sheets ✔️ NCERT-based questions, previous year papers, and model papers ✔️ Doubt-solving sessions and live revision classes ✔️ Self-assessment tests and mock tests ✔️ Accessible anytime, anywhere on mobile, tablet, or laptop ✔️ 100% mapped to Bihar Board Class 12 Biology Syllabus 2026 💡 Ideal for: Students aiming to secure high marks in board exams Learners preparing for NEET, CUET, and other competitive exams Anyone who wants to build strong Biology concepts step by step 📲 Join Dev Classes Junior today and make your Class 12 Biology preparation easy, effective, and exam-ready with the right guidance and smart study plan.
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Biology Introduction Class | Syllabus Discussion | Study Plan, Strategy & Blueprint
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CLASS XII BIOLOGY DEMO
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CHAPTER 1 : Reproduction in Organisms LEC 1
Class XII HINDI
📚 Dev Classes Online Course: कक्षा 12 हिंदी सिलेबस 2026 | बिहार बोर्ड 📘 कोर्स विवरण: Dev Classes लेकर आया है कक्षा 12 हिंदी का सम्पूर्ण ऑनलाइन कोर्स, जो बिहार विद्यालय परीक्षा समिति (BSEB) के 2026 के नवीनतम सिलेबस पर पूरी तरह आधारित है। यह कोर्स विद्यार्थियों को गद्य-पद्य, अपठित गद्यांश, लेखन कौशल और हिंदी व्याकरण को गहराई से समझने में मदद करता है, ताकि वे बोर्ड परीक्षा में उच्च अंक प्राप्त कर सकें। 📖 कोर्स में शामिल मुख्य भाग: ✅ गद्य खंड (Prose): पाठ्यपुस्तक के सभी पाठों की सरल व्याख्या महत्वपूर्ण प्रश्न-उत्तर, कठिन शब्दों के अर्थ और सारांश लेखक परिचय और पृष्ठभूमि ✅ पद्य खंड (Poetry): कविताओं की भावार्थ सहित व्याख्या कवि परिचय, पंक्ति-दर-पंक्ति अर्थ और प्रश्न-उत्तर महत्त्वपूर्ण श्लोक, छंद और अलंकार ✅ अपठित गद्यांश और काव्यांश: स्कोर बढ़ाने के लिए विशेष तकनीकें अभ्यास सेट्स और मॉडल पेपर ✅ व्याकरण (Grammar): तत्सम-तद्भव, पर्यायवाची, विलोम शब्द समास, उपसर्ग, प्रत्यय वाक्य संशोधन और शुद्ध अशुद्ध मुहावरे, लोकोक्तियाँ ✅ लेखन कौशल (Writing Skills): निबंध लेखन पत्र लेखन (औपचारिक व अनौपचारिक) रिपोर्ट लेखन, विज्ञापन, संवाद लेखन अनुच्छेद लेखन और प्रेस विज्ञप्ति 🎯 कोर्स की प्रमुख विशेषताएँ: ✔️ प्रत्येक अध्याय की HD वीडियो क्लास सरल हिंदी में ✔️ कठिन विषयों को आसान उदाहरणों से समझाया गया ✔️ प्रश्नोत्तरी, वर्कशीट और चैप्टरवाइज अभ्यास प्रश्न ✔️ Doubt-solving सेशन और Live Revision Classes ✔️ Model Test Papers और Previous Year Papers ✔️ मोबाइल, टैब या लैपटॉप से कभी भी पढ़ने की सुविधा ✔️ 100% बिहार बोर्ड के सिलेबस 2026 पर आधारित कंटेंट 💡 यह कोर्स आदर्श है: उन छात्रों के लिए जो हिंदी में 90%+ अंक प्राप्त करना चाहते हैं प्रतियोगी परीक्षाओं के लिए हिंदी विषय की मजबूत पकड़ बनाना चाहते हैं जिन्हें क्लियर कॉन्सेप्ट और परीक्षा में सही प्रेजेंटेशन सीखना है 📲 आज ही Dev Classes Junior से जुड़ें और अपनी कक्षा 12 हिंदी की तैयारी को बनाएं सुनियोजित, रोचक और बोर्ड परीक्षा के लिए पूरी तरह तैयार!
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Hindi Introduction Class | Syllabus Discussion | Study Plan, Strategy & Blueprint
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CLASS XII HINDI DEMO
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CHAPTER 1 : बातचीत LEC 1
Class XII ENGLISH
📖 Dev Classes Online Course: Class 12 English Syllabus 2026 | Bihar Board 📘 Course Overview: Welcome to Dev Classes Online Course, your trusted learning companion for mastering Class 12 English as per the latest Bihar School Examination Board (BSEB) syllabus for 2026. This course is designed to help you build strong reading, writing, and grammar skills, along with smart strategies to tackle all sections of the paper with confidence. Whether you want to strengthen your English for scoring high in boards or sharpen your skills for future competitive exams and communication, this course is the perfect choice! 📚 What You’ll Learn: ✅ Complete Textbook Coverage: Prose: Lesson-wise explanations, summaries, and line-by-line analysis. Poetry: Poem explanations with central ideas, poetic devices, and Q&A. Drama/Plays (if included): Characters, plot, and scene summaries. ✅ Grammar & Language Skills: Tenses, Modals, Voice, Narration, Clauses Sentence Transformation, Error Correction, Editing Vocabulary building: Synonyms, Antonyms, One-word Substitutions ✅ Reading Section: Techniques for solving unseen passages Practice worksheets with MCQs ✅ Writing Skills: Letter Writing (formal/informal) Report Writing, Notice, Article, Speech, Debate Precis Writing and Creative Composition Tips to write answers in a clear, impressive format 🎯 Key Highlights of the Course: ✔️ HD video lectures for every chapter and topic ✔️ NCERT-focused explanations with model answers ✔️ Topic-wise assignments, worksheets, and practice tests ✔️ Previous year questions and board-style test series ✔️ Doubt-solving support and live revision sessions ✔️ Mobile, tablet, and laptop access — learn anytime, anywhere ✔️ 100% aligned with Bihar Board Class 12 English Syllabus 2026 🌟 Perfect for: Students aiming for 90%+ in English Board Exam Learners who want to boost their English writing and comprehension skills Anyone looking for clear concepts and smart exam strategies 📲 Join Dev Classes Junior today and make your Class 12 English preparation strong, systematic, and stress-free!
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English Introduction Class | Syllabus Discussion | Study Plan, Strategy & Blueprint
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CLASS XII ENGLISH DEMO
CHAPTER 1 : Indian Civilization and Culture LEC 1
Class XII URDU
📚 Dev Classes Online Course: جماعت دوازدہم (کلاس 12) اردو نصاب 2026 | بہار بورڈ 📝 کورس کی تفصیل: Dev Classes پیش کرتا ہے کلاس 12 اردو کا مکمل آن لائن کورس، جو بہار اسکول ایگزامنیشن بورڈ (BSEB) کے 2026 کے تازہ ترین نصاب کے مطابق تیار کیا گیا ہے۔ یہ کورس طلباء کو اردو زبان، ادب، شاعری، افسانہ اور قواعد کو جامع انداز میں سکھانے میں مدد کرے گا تاکہ آپ امتحان میں بہترین نمبر حاصل کر سکیں۔ 📖 کورس میں شامل اہم مضامین: ✅ نثری اسباق (گدھ): تمام درسی اسباق کی سادہ اور مفصل تشریح مشکل الفاظ کے معنی، خلاصہ اور اہم سوالات و جوابات مصنف کا تعارف اور اسباق کا مقصد ✅ نظمیں (Poetry): نظموں کی خوبصورت اور سادہ تشریح اشعار کی وضاحت، شاعر کا تعارف مرکزی خیال اور امتحانی سوالات کے جوابات ✅ افسانہ اور ڈرامہ (اگر شامل ہو): کرداروں کا تجزیہ پلاٹ اور کہانی کی وضاحت اہم مکالمے اور موضوعات ✅ قواعد (Grammar): اسم، فعل، صفت، ضمیر واحد جمع، مذکر مؤنث، جملوں کی اقسام محاورے، ضرب الامثال، املاء کی درستگی اردو تحریر میں خوبصورتی لانے کے اصول ✅ تحریری مشق (Writing Skills): خط و درخواست نویسی (رسمی و غیر رسمی) مضمون نویسی، خلاصہ نویسی تقریر، رپورٹ اور نوٹس نویسی غیر پڑھے ہوئے اقتباسات (Unseen Passages) پر مشق 🎯 کورس کی خصوصیات: ✔️ ہر سبق کی HD ویڈیو کلاسز آسان اردو میں ✔️ سبق وار سوال و جواب، ماڈل پیپرز اور ورکشیٹس ✔️ Doubt-solving سیشن اور Live Revision Classes ✔️ پچھلے سال کے سوالات اور بورڈ پیٹرن پر مبنی ٹیسٹ سیریز ✔️ موبائل، ٹیب یا لیپ ٹاپ پر کہیں بھی، کبھی بھی رسائی ✔️ 100% بہار بورڈ کے نصاب 2026 کے مطابق 🌟 یہ کورس بہترین ہے: طلباء جو اردو میں 90% یا اس سے زیادہ نمبر لینا چاہتے ہیں وہ طلباء جو تحریری اور لسانی مہارت کو بہتر بنانا چاہتے ہیں جو اردو کو گہرائی سے سیکھ کر خوداعتمادی کے ساتھ امتحان دینا چاہتے ہیں 📲 آج ہی Dev Classes Junior میں داخلہ لیں اور اپنی جماعت 12 اردو کی تیاری کو بنائیں مؤثر، دلچسپ اور امتحان میں کامیابی کی ضمانت!
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Urdu Introduction Class | Syllabus Discussion | Study Plan, Strategy & Blueprint
CLASS XII URDU DEMO
12th SCIENCE FOUNDATION ( Full BATCH) 2025-26

🧬 Class 12 Biology Demo Video – Genetics, Evolution & Ecology Explained 🌿🔍

This engaging Class 12 Biology demo video for Bihar Board takes you through the key concepts of life sciences, focusing on real-world applications and board-oriented clarity.

🎯 Highlights:

  • Reproduction in Organisms, Human Reproduction, Reproductive Health

  • Principles of Inheritance and Molecular Basis of Inheritance

  • Evolution and Human Health

  • Ecosystem, Biodiversity, and Environmental Issues

  • Biotechnology and its Applications

💡 Why Watch This Demo?

  • Simplified diagrams and concept-based learning

  • Great for board exam prep & competitive clarity

  • Includes real-life examples to boost understanding

  • Covers full NCERT + Bihar Board pattern

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