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(Download) NCERT Book For Class XII : Physics (Part- 2)

(Download) NCERT Book For Class XII : Physics (Part-2)

Table of Contents

  • CHAPTER NINE : RAY OPTICS AND OPTICAL INSTRUMENTS
    9.1 Introduction
    9.2 Reflection of Light by Spherical Mirrors
    9.3 Refraction
    9.4 Total Internal Reflection
    9.5 Refraction at Spherical Surfaces and by Lenses
    9.6 Refraction through a Prism
    9.7 Dispersion by a Prism
    9.8 Some Natural Phenomena due to Sunlight
    9.9 Optical Instruments
  • CHAPTER TEN : WAVE OPTICS
    10.1 Introduction
    10.2 Huygens Principle
    10.3 Refraction and reflection of plane waves using Huygens Principle
    10.4 Coherent and Incoherent Addition of Waves
    10.5 Interference of Light Waves and Young’s Experiment
    10.6 Diffraction
    10.7 Polarisation
  • CHAPTER ELEVEN : DUAL NATURE OF RADIATION AND MATTER
    11.1 Introduction
    11.2 Electron Emission
    11.3 Photoelectric Effect
    11.4 Experimental Study of Photoelectric Effect
    11.5 Photoelectric Effect and Wave Theory of Light
    11.6 Einstein’s Photoelectric Equation: Energy Quantum of Radiation
    11.7 Particle Nature of Light: The Photon
    11.8 Wave Nature of Matter
    11.9 Davisson and Germer Experiment
  • CHAPTER TWELVE : ATOMS
    12.1 Introduction
    12.2 Alpha-particle Scattering and Rutherford’s Nuclear Model of Atom
    12.3 Atomic Spectra
    12.4 Bohr Model of the Hydrogen Atom
    12.5 The Line Spectra of the Hydrogen Atom
    12.6 DE Broglie’s Explanation of Bohr’s Second Postulate of Quantisation
  • CHAPTER THIRTEEN : NUCLEI
    13.1 Introduction
    13.2 Atomic Masses and Composition of Nucleus
    13.3 Size of the Nucleus
    13.5 Nuclear Force
    13.6 Radioactivity
    13.7 Nuclear Energy
  • CHAPTER FOURTEEN : SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS
    14.1 Introduction
    14.2 Classification of Metals, Conductors and Semiconductors
    14.3 Intrinsic Semiconductor
    14.4 Extrinsic Semiconductor
    14.5 p-n Junction
    14.6 Semiconductor diode
    14.7 Application of Junction Diode as a Rectifier
    14.8 Special Purpose p-n Junction Diodes
    14.9 Junction Transistor
    14.10 Digital Electronics and Logic Gates
    14.11 Integrated Circuits
  • CHAPTER FIFTEEN : COMMUNICATION SYSTEMS
    15.1 Introduction
    15.2 Elements of a Communication System
    15.3 Basic Terminology Used in Electronic Communication Systems
    15.4 Bandwidth of Signals
    15.5 Bandwidth of Transmission Medium
    15.6 Propagation of Electromagnetic Waves
    15.7 Modulation and its Necessity
    15.8 Amplitude Modulation 524
    15.9 Production of Amplitude Modulated Wave
    15.10 Detection of Amplitude Modulated Wave

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(Success Story) UPSC 2020 TOPPER, Jagrati Awasthi (Rank-02) Strategy To Crack IAS Exam



(Success Story) UPSC 2020 TOPPER, Jagrati Awasthi (Rank-02) Strategy To Crack IAS Exam



UPSC Civil Services Examination 2020 results are out and the second place has been secured by Jagrati Awasthi from Madhya Pradesh. Like many other Civil Servants, Jagrati is an engineer from Maulana Azad National Institute of Technology (MANIT). She was working at Bharat Heavy Electricals Ltd (BHEL) but quit her job to pursue her childhood dream of becoming a district collector and working towards social upliftment.

Never Give Up

Despite her lofty dreams, Jagrati's first attempt did not go as planned. However, that only strengthened her resolve. When the COVID pandemic hit, instead of feeling bewildered at the sudden change of her situation, Jagrati worked even harder in the time that the pandemic allowed students to have due to exam postponements. Looking around her and seeing so many people suffer only gave her more motivation to achieve her dreams and help those in need.

Jagrati Awasthi's Strategy

Jagrati swears by her 8-10-12-14 approach to preparing for UPSC. The idea is to strengthen your preparation by gradually increasing your study time and thus allowing your brain to process more information for a longer duration of time. She started by devoting 8 to 10 hours each day, gradually increasing it to 12 to 14 hours two months before the examination. And although this may sound daunting, the gradual process allowed her to do this with much more ease than expected.

IAS Notes Resources And Booklist

Jagrati stuck to the standard resources for her core preparation as follows –

UPSC Prelims Strategy

The key to qualifying prelims as per Jagrati is to attempt as many mock tests as one can. Jagrati attempted several previous year's papers and took multiple test series, concentrated around the last two or three months before the prelims exam and it helped her understand how exactly to solve the multiple-choice challenge UPSC sets in the form of the preliminary exam. Jagrati emphasizes taking a few CSAT papers too as it can make or break your selection.

UPSC Mains Strategy

No matter how well-read and knowledgeable someone is, until and unless they can write cohesive answers, UPSC mains is impossible to crack. It is necessary to supplement your prelims knowledge with more facts and figures, and other related sources for mains and this, Jagrati chose to use Vision IAS's Mains 365 series as well as IAS Baba's TLP Series for Mains. This taught her how to write well-structured answers within the given timeframe and allowed her to score as well as she did.

IAS Interview Tips

The secret to a good interview performance is understanding how everything you read for UPSC prelims and Mains applies to the everyday world and the news of today. Jagrati recommends day to day vigilance to come across as the right candidate to the interview panel. Cracking UPSC allows you to touch and change many lives. Allow this thought to motivate you during this difficult journey.

Best of Luck.

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(Download) NCERT Book For Class XII : Physics (Part- 1)

(Download) NCERT Book For Class XII : Physics (Part-1)

Table of Contents

  • CHAPTER ONE : ELECTRIC CHARGES AND FIELDS
    1.1 Introduction
    1.2 Electric Charges
    1.3 Conductors and Insulators
    1.4 Charging by Induction
    1.5 Basic Properties of Electric Charge
    1.6 Coulomb’s Law
    1.7 Forces between Multiple Charges
    1.8 Electric Field
    1.9 Electric Field Lines
    1.10 Electric Flux
    1.11 Electric Dipole
    1.12 Dipole in a Uniform External Field
    1.13 Continuous Charge Distribution
    1.14 Gauss’s Law
    1.15 Application of Gauss’s Law
  • CHAPTER TWO : ELECTROSTATIC POTENTIAL AND CAPACITANCE
    2.1 Introduction
    2.2 Electrostatic Potential
    2.3 Potential due to a Point Charge
    2.4 Potential due to an Electric Dipole
    2.5 Potential due to a System of Charges
    2.6 Equipotential Surfaces
    2.7 Potential Energy of a System of Charges
    2.8 Potential Energy in an External Field
    2.9 Electrostatics of Conductors
    2.10 Dielectrics and Polarisation
    2.11 Capacitors and Capacitance
    2.12 The Parallel Plate Capacitor
    2.13 Effect of Dielectric on Capacitance
    2.14 Combination of Capacitors
    2.15 Energy Stored in a Capacitor
    2.16 Van de Graaff Generator
  • CHAPTER THREE : CURRENT ELECTRICITY
    3.1 Introduction
    3.2 Electric Current
    3.3 Electric Currents in Conductors
    3.4 Ohm’s law
    3.5 Drift of Electrons and the Origin of Resistivity
    3.6 Limitations of Ohm’s Law
    3.7 Resistivity of various Materials
    3.8 Temperature Dependence of Resistivity
    3.9 Electrical Energy, Power
    3.10 Combination of Resistors — Series and Parallel
    3.11 Cells, emf, Internal Resistance
    3.12 Cells in Series and in Parallel
    3.13 Kirchhoff’s Laws
    3.14 Wheatstone Bridge
    3.15 Meter Bridge
    3.16 Potentiometer
  • CHAPTER FOUR : MOVING CHARGES AND MAGNETISM
    4.1 Introduction
    4.2 Magnetic Force
    4.3 Motion in a Magnetic Field
    4.4 Motion in Combined Electric and Magnetic Fields
    4.5 Magnetic Field due to a Current Element, Biot-Savart Law
    4.6 Magnetic Field on the Axis of a Circular Current Loop
    4.7 Ampere’s Circuital Law
    4.8 The Solenoid and the Toroid
    4.9 Force between Two Parallel Currents, the Ampere
    4.10 Torque on Current Loop, Magnetic Dipole
    4.11 The Moving Coil Galvanometer
  • CHAPTER FIVE : MAGNETISM AND MATTER
    5.1 Introduction
    5.2 The Bar Magnet
    5.3 Magnetism and Gauss’s Law
    5.4 The Earth’s Magnetism
    5.5 Magnetisation and Magnetic Intensity
    5.6 Magnetic Properties of Materials
    5.7 Permanent Magnets and Electromagnets
  • CHAPTER SIX : ELECTROMAGNETIC INDUCTION
    6.1 Introduction
    6.2 The Experiments of Faraday and Henry
    6.3 Magnetic Flux
    6.4 Faraday’s Law of Induction
    6.5 Lenz’s Law and Conservation of Energy
    6.6 Motional Electromotive Force
    6.7 Energy Consideration: A Quantitative Study
    6.8 Eddy Currents
    6.9 Inductance
    6.10 AC Generator
  • CHAPTER SEVEN : ALTERNATING CURRENT
    7.1 Introduction
    7.2 AC Voltage Applied to a Resistor
    7.3 Representation of AC Current and Voltage by Rotating Vectors — Phasors
    7.4 AC Voltage Applied to an Inductor
    7.5 AC Voltage Applied to a Capacitor
    7.6 AC Voltage Applied to a Series LCR Circuit
    7.7 Power in AC Circuit: The Power Factor
    7.8 LC Oscillations
    7.9 Transformers
  • CHAPTER EIGHT : ELECTROMAGNETIC WAVES
    8.1 Introduction
    8.2 Displacement Current
    8.3 Electromagnetic Waves
    8.4 Electromagnetic Spectrum
  • ANSWERS

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(Download) NCERT Book For Class XI : Physics (Part-2)

(Download) NCERT Book For Class XI : Physics (Part-2)

Table of Contents

  • C H A P T E R 9
    MECHANICAL PROPERTIES OF SOLIDS
    9.1 Introduction
    9.2 Elastic behaviour of solids
    9.3 Stress and strain
    9.4 Hooke’s law
    9.5 Stress-strain curve
    9.6 Elastic moduli
    9.7 Applications of elastic behaviour of materials
  • C H A P T E R 10
    MECHANICAL PROPERTIES OF FLUIDS
    10.1 Introduction
    10.2 Pressure
    10.3 Streamline flow
    10.4 Bernoulli’s principle
    10.5 Viscosity
    10.6 Reynolds number
    10.7 Surface tension
  • C H A P T E R 11
    THERMAL PROPERTIES OF MATTER
    11.1 Introduction
    11.2 Temperature and heat
    11.3 Measurement of temperature
    11.4 Ideal-gas equation and absolute temperature
    11.5 Thermal expansion
    11.6 Specific heat capacity
    11.7 Calorimetry
    11.8 Change of state
    11.9 Heat transfer
    11.10 Newton’s law of cooling
  • C H A P T E R 12
    THERMODYNAMICS
    12.1 Introduction
    12.2 Thermal equilibrium
    12.3 Zeroth law of thermodynamics
    12.4 Heat, internal energy and work
    12.5 First law of thermodynamics
    12.6 Specific heat capacity
    12.7 Thermodynamic state variables and equation of state
    12.8 Thermodynamic processes
    12.9 Heat engines
    12.10 Refrigerators and heat pumps
    12.11 Second law of thermodynamics
    12.12 Reversible and irreversible processes
    12.13 Carnot engine
  • C H A P T E R 13
    KINETIC THEORY
    13.1 Introduction
    13.2 Molecular nature of matter
    13.3 Behaviour of gases
    13.4 Kinetic theory of an ideal gas
    13.5 Law of equipartition of energy
    13.6 Specific heat capacity
    13.7 Mean free path
  • C H A P T E R 14
    OSCILLATIONS
    14.1 Introduction
    14.2 Periodic and oscilatory motions
    14.3 Simple harmonic motion
    14.4 Simple harmonic motion and uniform circular motion
    14.5 Velocity and acceleration in simple harmonic motion
    14.6 Force law for simple harmonic motion
    14.7 Energy in simple harmonic motion
    14.8 Some systems executing SHM
    14.9 Damped simple harmonic motion
    14.10 Forced oscillations and resonance
  • C H A P T E R 15
    WAVES
    15.1 Introduction
    15.2 Transverse and longitudinal waves
    15.3 Displacement relation in a progressive wave
    15.4 The speed of a travelling wave
    15.5 The principle of superposition of waves
    15.6 Reflection of waves
    15.7 Beats
    15.8 Doppler effect

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FREE E-book: HISTORY OF ANTHROPOLOGY IN INDIA By Dr. Abhik Ghosh



(Free E-books) : HISTORY OF ANTHROPOLOGY IN INDIA By Dr. Abhik Ghosh



  • Medium: English

  • E-BOOK NAME : HISTORY OF ANTHROPOLOGY IN INDIA PDF Download

  • Total Pages: 50+

  • PRICE: FREE

  • Hosting Charges: FREE (Limited Time Offer)

  • File Type: PDF File Download Link via Email

CONTENTS:

  • Introduction: The Growth of Indian Anthropology

  • Arthur Llewellyn Basham

  • Christoph Von-Fuhrer Haimendorf

  • Verrier Elwin

  • Rai Bahadur Sarat Chandra Roy

  • Biraja Shankar Guha

  • Dewan Bahadur L. K. Ananthakrishna Iyer

  • Govind Sadashiv Ghurye

  • Nirmal Kumar Bose

  • Dhirendra Nath Majumdar

  • Iravati Karve

  • Hasmukh Dhirajlal Sankalia

  • Dharani P. Sen

  • Mysore Narasimhachar Srinivas

  • Shyama Charan Dube

  • Surajit Chandra Sinha

  • Prabodh Kumar Bhowmick

  • K. S. Mathur

  • Lalita Prasad Vidyarthi

  • Triloki Nath Madan

  • Shiv Raj Kumar Chopra

  • Andre Beteille

  • Gopala Sarana

  • Conclusions

  • Suggested Readings

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(Download) NCERT Book For Class XI : Physics (Part-1)

(Download) NCERT Book For Class XI : Physics (Part-1)

Table of Contents

  • C H A P T E R-1
    PHYSICAL WORLD
    1.1 What is physics ?
    1.2 Scope and excitement of physics
    1.3 Physics, technology and society
    1.4 Fundamental forces in nature
    1.5 Nature of physical laws
  • C H A P T E R-2
    UNITS AND MEASUREMENTS
    2.1 Introduction
    2.2 The international system of units
    2.3 Measurement of length
    2.4 Measurement of mass
    2.5 Measurement of time
    2.6 Accuracy, precision of instruments and errors in measurement
    2.7 Significant figures
    2.8 Dimensions of physical quantities
    2.9 Dimensional formulae and dimensional equations
    2.10 Dimensional analysis and its applications
  • C H A P T E R-3
    MOTION IN A STRAIGHT LINE
    3.1 Introduction
    3.2 Position, path length and displacement
    3.3 Average velocity and average speed
    3.4 Instantaneous velocity and speed
    3.5 Acceleration
    3.6 Kinematic equations for uniformly accelerated motion
    3.7 Relative velocity
  • C H A P T E R-4
    MOTION IN A PLANE
    4.1 Introduction
    4.2 Scalars and vectors
    4.3 Multiplication of vectors by real numbers
    4.4 Addition and subtraction of vectors – graphical method
    4.5 Resolution of vectors
    4.6 Vector addition – analytical method
    4.7 Motion in a plane
    4.8 Motion in a plane with constant acceleration
    4.9 Relative velocity in two dimensions
    4.10 Projectile motion
    4.11 Uniform circular motion
  • C H A P T E R-5
    LAWS OF MOTION
    5.1 Introduction
    5.2 Aristotle’s fallacy
    5.3 The law of inertia
    5.4 Newton’s first law of motion
    5.5 Newton’s second law of motion
    5.6 Newton’s third law of motion
    5.7 Conservation of momentum
    5.8 Equilibrium of a particle
    5.9 Common forces in mechanics
    5.10 Circular motion
    5.11 Solving problems in mechanics
  • C H A P T E R-6
    WORK, ENERGY AND POWER
    6.1 Introduction
    6.2 Notions of work and kinetic energy : The work-energy theorem
    6.3 Work
    6.4 Kinetic energy
    6.5 Work done by a variable force
    6.6 The work-energy theorem for a variable force
    6.7 The concept of potential energy
    6.8 The conservation of mechanical energy
    6.9 The potential energy of a spring
    6.10 Various forms of energy : the law of conservation of energy
    6.11 Power
    6.12 Collisions
  • C H A P T E R-7
    SYSTEM OF PARTICLES AND ROTATIONAL MOTION
    7.1 Introduction
    7.2 Centre of mass
    7.3 Motion of centre of mass
    7.4 Linear momentum of a system of particles
    7.5 Vector product of two vectors
    7.6 Angular velocity and its relation with linear velocity
    7.7 Torque and angular momentum
    7.8 Equilibrium of a rigid body
    7.9 Moment of inertia
    7.10 Theorems of perpendicular and parallel axes
    7.11 Kinematics of rotational motion about a fixed axis
    7.12 Dynamics of rotational motion about a fixed axis
    7.13 Angular momentum in case of rotations about a fixed axis
    7.14 Rolling motion
  • C H A P T E R-8
    GRAVITATION
    8.1 Introduction
    8.2 Kepler’s laws
    8.3 Universal law of gravitation
    8.4 The gravitational constant
    8.5 Acceleration due to gravity of the earth
    8.6 Acceleration due to gravity below and above the surface of earth
    8.7 Gravitational potential energy
    8.8 Escape speed
    8.9 Earth satellite
    8.10 Energy of an orbiting satellite
    8.11 Geostationary and polar satellites
    8.12 Weightlessness
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