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Chapter-wise Short Notes for Physics, Chemistry, Mathematics, and Computer Science Xylem Insta notes all chapters

A chapter-wise short note compilation for Physics, Chemistry, Mathematics, and Computer Science provides concise summaries of key concepts, formulas, and important points for quick revision. It helps in understanding fundamental principles, solving problems efficiently, and reinforcing critical topics before exams. Ideal for last-minute preparation, these notes serve as a handy reference to grasp complex subjects with ease.

Physics

Chapter 1 : Unit and Measurement
Chapter 2 : Motion in a Straight line
Chapter 3 : Motion in a Plane
Chapter 4 : Laws of Motion
Chapter 5 : Work, Energy, and Power
Chapter 6 : Motion of System of Particles & Rigid Body
Chapter 7 : Gravitation
Chapter 8 : Mechanical Properties of Solids
Chapter 9 : Mechanical Properties of Fluids
Chapter 10: Thermal Properties of Matter
Chapter 11: Thermodynamics
Chapter 12: Kinetic Theory
Chapter 13: Oscillations and Waves
Chapter 14: Waves

Chemistry

Chapter 1: Some Basic Concepts of Chemistry
Chapter 2: Structure of Atom
Chapter 3: Classification of Elements & Periodicity in properties
Chapter 4: Chemical Bonding & Molecular Structure
Chapter 5: Thermodynamics
Chapter 6: Equilibrium
Chapter 7: Redox Reactions
Chapter 8: Organic Chemistry - Some Basic Principles & Techniques
Chapter 9: Hydrocarbons

Mathematics

Chapter 1 : Sets
Chapter 2 : Relations and Functions
Chapter 3 : Trigonometric Functions
Chapter 4 : Principle of Mathematical Induction
Chapter 5 : Complex Numbers and Quadratic Equations
Chapter 6 : Linear Inequalities
Chapter 7 : Permutations and Combinations
Chapter 8 : Binomial Theorem
Chapter 9 : Sequences and Series
Chapter 10: Straight Lines
Chapter 11: Conic Sections
Chapter 12: Introduction to Three-dimensional Geometry
Chapter 13: Limits and Derivatives
Chapter 14: Probability

Computer Science

Chapter 1 : Data Representation and Boolean Algebra
Chapter 2 : Control Statements
Chapter 3 : Components of the Computer System
Chapter 4 : Data Types and Operators
Chapter 5 : Computer Networks
Chapter 6 : Internet and Mobile Computing
Chapter 7 : Principles of Programming and Problem Solving
Chapter 8 : Introduction to C++ Programming
Chapter 9 : Arrays
Chapter 10: Functions
Chapter 11: String Handling and I/O Functions
Chapter 12: The Discipline of Computing

Maths, Physics, Chemistry, Computer Science

All in one combined note

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appreciation chemistry computerscience English English question answers maths note physics plus one plus two

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The Trip of Le Horla Questions and Shortest Answers Plus One English Textbook Unit 3 Chapter 2 (Short Story) rvels

Question 1. What is special about the sentences in the telegram? Answer: Short, ungrammatical phrases convey the message. Question 2. What does the author compare the balloon to? Answer: A cake made of yellow cloth. Question 3. What is the other thought that occurs to every mind? Answer: A baby nourished in the womb. Question 4. Express the attitude of spectators and passengers toward ballooning. Answer: Spectators are critical; passengers are excited and optimistic. Question 5. What is the established custom mentioned here? Answer: Dining at the gas-works canteen. Question 6. When travelers come out, what do they see? Answer: A golden, pear-shaped balloon with attached basket and supplies. Question 7. Name the passengers in the balloon. Answer: Captain Jovis, Lt. Mallet, Beer, Bessand, and Maupassant. Question 8. Who is posted as the officer on watch? Answer: Lieutenant Mallet. Question 9. Why does M. Eyries get out of the balloon? Is he regretfu...

English plus two board exam final revision note

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The Sacred Turtles of Kadavu rvels

Question 1. How did the warriors of Kadavu save themselves a long sea journey? Answer: They slid their canoes over land to avoid the long sea route around Kadavu. Question 2. Why won’t turtles rise if Nabukelevu villagers are present? Answer: The turtles, descendants of Tinaicoboga and Raudalice, avoid Nabukelevu villagers due to past rivalry and attempted capture. Question 3. Are all rituals strange? Why? Answer: Yes, rituals often describe impossible events and evolve with imagination over generations. Question 4. Comment on the opening sentence of the legend. Answer: The opening follows a classic storytelling style, with reversed syntax for effect. Question 5. What happens to the two women when they go fishing? Answer: Captured by fishermen, they pray, turn into turtles, and escape into the sea. Question 6. What does the change in weather signify? Answer: It signifies divine intervention to help Tinaicoboga and Raudalice escape. Question 7. Why are the women...

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1. Transition Elements and Oxidation States a) Transition elements show variable oxidation states because in these elements, d and s electrons have comparable energies, allowing both to participate in chemical reactions. b) The two types of magnetic behavior are diamagnetism and paramagnetism. 2. Magnetic Moment of Sc³⁺ The valence shell electronic configuration of Sc³⁺ ion is 3d⁰, so the number of unpaired electrons (n) = 0. Magnetic moment, µₛ = √n(n+2) = √0(0+2) = 0. The observed magnetic moment agrees with the calculated value. 3. Lanthanide Ions: Unpaired Electrons and Properties Given ions: La³⁺, Ce⁴⁺, Yb²⁺, Lu³⁺ (Atomic numbers: La=57, Ce=58, Yb=70, Lu=71) a) Number of unpaired electrons: La³⁺: 4f⁰ → 0 Ce⁴⁺: 4f⁰ → 0 Yb²⁺: 4f¹⁴ → 0 Lu³⁺: 4f¹⁴ → 0 b) All ions are diamagnetic. c) All ions are colorless because they lack partially filled orbitals. 4. Potassium Permanganate as an Oxidizing Agent a) i) Alkaline/neutral medium: 2MnO₄⁻ + H₂O + I⁻ → 2MnO₂ + ...

The Wreck of the Titanic Questions and Answers Plus One English Textbook Unit 4 Chapter 3 rvels

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Kerala Plus Two Second Term Exam Chapterwise Previous Questions 2022 2023 2024

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Kerala Plus One English Textbook Going Out for a Walk Questions and Answers Unit 5 Chapter 3 (Essay) rvels

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Questions and Answers Q1. What purpose does the first sentence serve? A: It introduces a sad and gloomy situation, likening happiness to rain that never comes. Q2. Can you guess what story Ivan was about to tell Bourkin? A: It’s about two brothers pursuing happiness in different ways. Q3. How do you feel when it rains? A: I feel sad and gloomy; I prefer sunshine. Q4. Describe Aliokhin’s appearance. A: Tall, stout, about 40, with long hair, dusty face, muddy boots, and wearing simple, grimy clothes. Q5. Why couldn’t Aliokhin bathe regularly? A: He had no time. Q6. How did Ivan respond to the rain? A: He swam joyfully, splashing, diving, and shouting with glee. Q7. When did Ivan start narrating his story? A: After bathing, in the evening, as they sat dressed and relaxed in the drawing-room. Q8. How did the brothers spend childhood after their father’s death? A: In the countryside, like peasants’ children, working in fields and fishing. Q9. Comment on Ivan’s view of...

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