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05 Sep 25

Class 10 Science – Chapter 13 Our Environment

Our Environment – Short Notes 1. Introduction to Environment 2. Ecosystem 3. Food Chain and Food Web 4. Trophic Levels 5. Waste Management 6. Biogeochemical Cycles 7. Ozone Layer 8. Methods of Waste Disposal 9. Environmental Issues 10. Sustainable Development Important Diagrams Exam Tips: कक्षा 10 विज्ञान – अध्याय 13:…
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05 Sep 25

Class 11 O.C Chapter 1: व्यवसाय का स्वरूप, उद्देश्य और कार्यक्षेत्र (Nature, Purpose, and Scope of Business)

Class 11 Organization of Commerce and Management (वाणिज्य व्यवस्था और संचालन) Chapter 1: व्यवसाय का स्वरूप, उद्देश्य और कार्यक्षेत्र (Nature, Purpose, and Scope of Business). अध्याय 1: व्यवसाय का स्वरूप, उद्देश्य और कार्यक्षेत्र (Nature, Purpose, and Scope of Business) पाठ्य सामग्री का सारांश (Study Material Summary) 1. व्यवसाय का अर्थ…
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Chapter:- 3. क्या निराशा हुआ जाए

उत्तर १. निम्नलिखित प्रश्नों के एक-एक वाक्य में उत्तर लिखिए : (१) आज समाचारपत्र में कौन-कौन से समाचार भरे रहते हैं?उत्तर: आज समाचारपत्रों में चोरी, डकैती, तस्करी और भ्रष्टाचार के समाचार भरे रहते हैं। (२) देश का वातावरण आज कैसा बन गया है?उत्तर: आज देश का वातावरण ऐसा बन गया…
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28 Aug 25

Class 9 Science – Chapter 12: Sound

Class 9 Science Chapter 12: Sound, designed for effective revision and exam preparation. Class 9 Science – Chapter 12: Sound – Revision Notes Chapter at a Glance This chapter deals with the production, propagation, and reflection of sound. It explains the nature of sound waves, their characteristics, and how the…
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28 Aug 25

Class 9 Science Chapter 11: Work and Energy

Class 9 Science Chapter 11: Work and Energy, designed for effective revision and exam preparation. Class 9 Science – Chapter 11: Work and Energy – Revision Notes Chapter at a Glance This chapter introduces the fundamental concepts of Work, Energy, and Power. It establishes a relationship between them and explains…
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28 Aug 25

Class 9 Science – Chapter 10: Gravitation

Class 9 Science Chapter 10: Gravitation, designed for effective revision and exam preparation. Class 9 Science – Chapter 10: Gravitation – Revision Notes Chapter at a Glance This chapter explains the force that governs the motion of celestial bodies and objects on Earth—Gravity. It covers Universal Law of Gravitation, free…
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28 Aug 25

Class 9 Science Chapter 8: Motion.

Class 9 Science Chapter 8: Motion. Chapter 8: Motion – Short Notes 1. Introduction 2. Scalar and Vector Quantities 3. Distance and Displacement 4. Uniform and Non-Uniform Motion 5. Speed 6. Velocity 7. Acceleration 8. Graphical Representation of Motion A. Distance-Time Graph B. Velocity-Time Graph 9. Equations of Motion by…
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