Physics 20 - PHYSICS MEMORY TRICKS

Duration: 15 min

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Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Section 1 | Language (Hindi): भाषा, लिपि और वर्ण, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, पद-भेद और रूप-विकार, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, संधि, समास, विलोम शब्द, पर्यायवाची शब्द, सामान्य अशुद्धियाँ, अनेक शब्दों के लिए एक शब्द, शब्द-भंडार, अपठित बोध, Multi-Topic Content (Cross-Concept Material), वर्णमाला
  3. Section 1 | Language (उर्दू भाषा — 22 प्रश्न (निश्चित)): رسم الخط، حروفِ تہجی اور املا / Script, Alphabet and Spelling, اسم، ضمیر اور صفت / Nouns, Pronouns and Adjectives, الفاظ، محاورے اور ضرب الامثال / Vocabulary, Idioms and Proverbs, تفہیمِ عبارت، انشا اور ترجمہ / Comprehension, Writing and Translation, Comprehension
  4. Section 1 | Language (বাংলা / बांग्ला भाषा — 22 प्रश्न (निश्चित)): শব্দার্থ, বাগধারা ও ভাষাশুদ্ধি / Meaning, Idioms and Correct Usage, বাক্য ও বাচ্য / Sentences and Voice, শব্দগঠন ও শব্দভান্ডার / Word Formation and Vocabulary, অনুবাদ, বোধপরীক্ষণ ও রচনা / Translation, Comprehension and Composition
  5. Section 1 | Language (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Verbs and Tenses, Pronoun, Verb, Adverb, Prepositions and Conjunctions, Parts of Speech, Determiner, Conjunction, Modals, Transformation of Sentences, Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Structure and Common Errors, Reading Comprehension, Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Facts, Inference and Judgements
  6. Section 2 | Primary Maths & Reasoning: अनुपात और समानुपात / Ratio and Proportion, Divisibility Rules, मिश्रण और एलिगेशन / Mixture and Alligation, Permutation and Combination, संख्या पद्धति / Number System, महत्तम समापवर्तक और लघुत्तम समापवर्त्य / HCF and LCM, Sequence and Series (Series), समय, चाल और दूरी / Time, Speed and Distance, श्रेणी / Series, कूट लेखन एवं कूट वाचन / Coding-Decoding, अशाब्दिक तर्क / Non-Verbal Reasoning, प्रतिशत / Percentage, औसत / Average, लाभ, हानि और बट्टा / Profit, Loss and Discount, साधारण और चक्रवृद्धि ब्याज / Simple and Compound Interest, समय और कार्य / Time and Work, घन क्षेत्रमिति / Solid Mensuration, Age Problems, Arithmetic, सरलीकरण, घातांक और करणी / Simplification, Indices and Surds, Algebra, Probability, Trigonometry, Syllogisms, बैठक व्यवस्था एवं पहेलियाँ / Seating Arrangement and Puzzles, रक्त संबंध / Blood Relations, दिशा एवं दूरी / Direction and Distance, Analytical Reasoning (Counting Figures Reasoning), गणितीय संक्रियाएँ एवं लुप्त संख्या / Mathematical Operations and Missing Numbers, कैलेंडर एवं घड़ी / Calendar and Clock, Clock, घन, पासा एवं आकृतियों की गिनती / Cubes, Dice and Figure Counting, वेन आरेख, न्याय वाक्य एवं असमानता / Venn Diagrams, Syllogism and Inequalities, Data Arrangement, Inequality, सादृश्यता एवं वर्गीकरण / Analogy and Classification, क्रम एवं रैंकिंग / Order and Ranking, समुच्चय, संबंध, फलन और विविक्त गणित / Sets, Relations, Functions and Discrete Mathematics, संख्या पद्धति और संख्या सिद्धांत / Number Systems and Number Theory, निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति / Coordinate Geometry, Vectors and 3D Geometry, बहुपद, समीकरण और सम्मिश्र संख्याएँ / Polynomials, Equations and Complex Numbers
  7. Section 2 | General Awareness (GK + Current Affairs): Polity, वैज्ञानिक उपलब्धियाँ और अनुसंधान / Scientific Achievements and Research, Biology, राज्य विशेष सामान्य ज्ञान / State-Specific General Knowledge, Chemistry, History, Geography, Indian Economy, Environment, समसामयिकी / Current Affairs, Static General Knowledge
  8. Section 3 | Computer System and Org. (CSO): Basics of COA, Floating Point Rep, Cache Memory Organization, Instr Formats & Modes, Programming the Basic Computer, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design
  9. Section 3 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, SQL, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control
  10. Section 3 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Process Synchronization
  11. Section 3 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics
  12. Section 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Minimum Spanning Trees, Shortest Path Algos
  13. Section 3 | Theory Of Computation & Compiler Design: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization
  14. Section 3 | Emerging Trends (AI, Societal Ethics & MS Office): कंप्यूटर के मूल सिद्धांत / Computer Fundamentals, Emerging Tech Trends, Society, Law & Ethics, MS Office Applications, व्यापार, विपणन एवं उपभोक्ता संरक्षण / Trade, Marketing and Consumer Protection, साइबर सुरक्षा / Cyber Safety and Security, कंप्यूटर सॉफ़्टवेयर / Computer Software, ऑपरेटिंग सिस्टम / Operating System, कंप्यूटर नेटवर्क / Computer Networks, वर्ड प्रोसेसिंग (MS Word) / Word Processing (MS Word), Terms & Abbreviations, प्रेज़ेंटेशन (MS PowerPoint) / Presentation Software (MS PowerPoint)
  15. Section 3 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Maintenance and Configuration Management, Software Testing
  16. Section 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Section 3 | OOPS, C++, JAVA, HTML: OOPS with C++, Java, HTML Basics, CSS
  18. Section 3 | Java: Java Fundamentals, Array, String, IO & References, OOPS with Java
  19. Section 3 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  20. Section 3 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  21. Section 3 | Multimedia: Multimedia
  22. BPSC Previous Year Papers:
  23. BPSC Full Mock Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video presents a series of memory tricks and mnemonics to help students memorize key concepts in physics. The lecture begins with an introductory title card featuring the text 'PHYSICS MEMORY TRICKS' and a visual of hands holding a playing card. The main content is a structured list of ten topics, each explained with a mnemonic device. The topics covered include Newton's Laws, the speed of light vs. sound, convex and concave mirrors, myopia and hypermetropia, rainbow colors, the order of planets, Archimedes' Principle, escape velocity, work, power, and energy, Ohm's Law, sound speed, electromagnetic waves, light scattering, magnet poles, and the specific heat of water. For each topic, the instructor provides a simple, often humorous, phrase to remember the concept, such as 'Inertia - Force - Reaction' for Newton's laws and 'Vicky Is Busy Giving You Orange Roses' for the colors of the rainbow. The video uses a digital whiteboard format with handwritten text and diagrams, and the instructor is visible in a small window, speaking directly to the audience. The overall teaching style is practical and focused on exam preparation, emphasizing quick recall over deep theoretical understanding.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title card against a black background. The text 'PHYSICS MEMORY TRICKS' is displayed in yellow. A pair of hands holds a white card with a red heart symbol, resembling a playing card. In the bottom right corner, a man with glasses and a beard speaks into a microphone. The logo 'KG' is visible in the bottom left. The text 'KNOWLEDGE GATE' appears and animates across the screen. The instructor begins to introduce the topic of physics memory tricks, setting the stage for a lecture on study aids.

  2. 2:00 – 5:00 02:00-05:00

    The video transitions to a digital whiteboard with a light yellow background. The first topic, '1. Three Newton's Laws', is presented. The instructor explains the mnemonic 'Inertia - Force - Reaction' (IFR) and provides the corresponding laws: 1st law → Inertia, 2nd law → Force = ma, 3rd law → Reaction. The second topic, '2. Speed of Light vs Sound', is introduced with the trick 'Lightning before Thunder', explaining that light is faster than sound. The third topic, '3. Convex vs Concave Mirror', uses the mnemonic 'Convex sees MORE, Concave shows FACE', with definitions: Convex = wider field (used in cars), Concave = magnifies (shaving mirror). The instructor writes these points on the board as he explains them.

  3. 5:00 – 10:00 05:00-10:00

    The lecture continues with the fourth topic, '4. Myopia vs Hypermetropia', using the mnemonic 'My car is Near, Hyper car is Far'. The definitions are: Myopia = can see near, not far; Hypermetropia = can see far, not near. The fifth topic, '5. Rainbow Colors (VIBGYOR)', is introduced with the trick 'Vicky Is Busy Giving You Orange Roses', which corresponds to the colors: Violet, Indigo, Blue, Green, Yellow, Orange, Red. The instructor then moves to the sixth topic, '6. Planets Order', with the mnemonic 'My Very Efficient Mother Just Served Us Noodles' for Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. The seventh topic, '7. Archimedes' Principle', uses the trick 'Push UP in liquid', with the formula 'Uphrust = Weight of displaced liquid'. The eighth topic, '8. Escape Velocity of Earth', uses the trick 'Run faster than bullet', with the values 'Bullet - 1 km/s, Escape velocity - 11 km/s'. The ninth topic, '9. Work vs Power vs Energy', uses the trick 'Work is Job, Energy is Capacity, Power is Speed', with definitions: Work → done task, Energy → ability, Power → how fast. The tenth topic, '10. Ohm's Law (V=IR)', uses the trick 'Very Important Rule', with the formula V = Voltage, I = Current, R = Resistance.

  4. 10:00 – 14:36 10:00-14:36

    The video continues with the eleventh topic, '11. Sound Speed Order', using the mnemonic 'Solid > Liquid > Gas → Stronger > Looser > Gaps', with the explanation 'More particle closeness → faster travel'. The twelfth topic, '12. X-ray, UV, Gamma', uses the trick 'X-rays See Bones, UV Kills Germs, Gamma Kills Cancer', with the application-based recall. The thirteenth topic, '13. Scattering of Light (Sky Colors)', uses the trick 'Blue Day, Red more → Blue sky', with the explanation 'Short waves scatter more → Blue sky, Long waves last longer → Red sunset'. The fourteenth topic, '14. Magnet Poles', uses the trick 'Cut magnet, get twins', with the explanation 'Any piece → always forms N-S poles'. The final topic, '15. Specific Heat of Water', uses the trick 'Water is Lazy to Heat', with the explanation 'High specific heat = takes long to heat/cool'. The instructor concludes the list, summarizing the value of these memory tricks for exam preparation.

The video presents a comprehensive and practical guide to memorizing fundamental physics concepts through a series of mnemonic devices. The teaching progression is linear and structured, moving from one topic to the next in a clear, numbered list. Each concept is paired with a simple, often humorous, phrase that links the abstract idea to a memorable image or story. This method is highly effective for rote memorization, particularly for students preparing for competitive exams where quick recall is essential. The use of a digital whiteboard allows for clear, organized presentation of the information, while the instructor's direct address creates an engaging and supportive learning environment. The overall synthesis is that these memory tricks are powerful tools for overcoming the challenge of remembering a vast amount of information, transforming a potentially daunting task into a manageable and even enjoyable one.

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