Complete Companion for B.Sc Nursing and GNM (General Nursing and Midwifey) Entrance Examination, 3rd Edition

1025 Pages·2019·69.181 MB·English

by  Saroj Parwez

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Copyright © 2019 Pearson India Education Services Pvt. Ltd

Published by Pearson India Education Services Pvt. Ltd, CIN: U72200TN2005PTC057128.

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ISBN 978-93-534-3382-6
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For my beloved husband who plays
a vital role in making me what
I am
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Contents
Preface xvii Motion of blocks in contact P1.26
Foreword xx Friction P1.26
Foreword to the First Edition xxi Check Your Understanding P1.27
Chapter 4: Work, Energy and Power P1.29
Section A: Physics
Introduction P1.29
Energy P1.29
Unit I: Mechanics
Work-Energy Theorem P1.32
Chapter 1: Units and Measurements P1.3 Power P1.32
Introduction P1.3 Check Your Understanding P1.32
Modern Physics P1.3
Chapter 5: Gravitation P1.34
Measurements P1.4
Introduction P1.34
Accuracy and Precision P1.7
Earth’s Gravitation P1.34
Check Your Understanding P1.8
Universal Law of Gravitation P1.35
Chapter 2: Kinematics P1.10 Escape Velocity P1.35
Introduction P1.10 The Synchronous Satellite P1.36
Distance and Displacement P1.10 Energy in Satellite Orbit P1.36
Average Speed and Average Velocity P1.11 Gravitational Field P1.36
Relative Velocity P1.11 Gravitational Potential P1.36
Instantaneous Speed and Instantaneous Velocity P1.11 Gravitational Potential Energy P1.37
Acceleration P1.12 Check Your Understanding P1.37
Motion in a Plane P1.14
Cha pter 6: Motion of System of Particles
Motion with Uniform Velocity P1.14
and Rigid Bodies P1.39
Velocity–Time Graphs P1.15
Introduction P1.39
Projectile Motion P1.16
Moment of Inertia P1.39
Uniform Circular Motion P1.17
Radius of gyration P1.39
Centripetal Force P1.17
Torque P1.40
Check Your Understanding P1.18
Impulse P1.40
Chapter 3: Laws of Motion and Force P1.20 Momentum P1.40
Introduction P1.20 Law of Conservation of Linear Momentum P1.40
Motion of the Centre of Mass P1.21 Angular Momentum P1.42
Moment of Inertia P1.21 Pulsars P1.42
Force P1.21 The Coriolis Eff ect P1.42
Vectors and Net Force P1.22 Collisions P1.42
Superposition of Forces P1.22 Check Your Understanding P1.44
Components of Force P1.23
Cha pter 7: Mechanical Properties of
Couples P1.23
Solids and Fluids P1.46
Equilibrium P1.23
Introduction P1.46
Explanation of the Work Done P1.25
Density P1.46
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viii Contents
Pressure P1.46 Electromagnetic Radiations P1.88
Buoyancy and Weight P1.48 Ultraviolet Radiation P1.89
Fluid Mechanics P1.50 Infrared Radiation P1.89
Fluid Dynamics of Hydrodynamics P1.51 Electromagnetic Spectrum P1.90
Equation of Bernoulli’s Principle P1.52 Check Your Understanding P1.91
Pump P1.53
Unit IV: Light, Optics and Sound
Hydraulics P1.55
Hydraulic Lift P1.55 Chapter 12: Light P1.92
Intermolecular Forces P1.55 Introduction P1.92
Friction P1.56 Light Emission P1.92
Surface Tension P1.59 The Nature of Light P1.93
Capillarity P1.60 Reflection P1.93
Viscosity P1.60 Refraction P1.93
Elasticity P1.61 Explanation for Refraction of Light P1.94
Stress and Strain P1.61 Explanation of Laws of Optics P1.95
Elastic Moduli P1.62 Explanation of Snell’s Law P1.96
Hooke’s Law P1.63 Dispersion P1.96
Check Your Understanding P1.64 Critical Angle P1.96
Spherical and Aspherical Surfaces P1.97
Unit II: Transfer of Heat and Thermodynamics
Aberration P1.98
Chapter 8: Transfer of Heat P1.65 Diffraction P1.98
Introduction P1.65 Physical Optics P1.98
Temperature P1.66 Polarization of Light P1.99
Heat Units P1.67 Interference P1.99
Heat and the Law of Conservation of Energy P1.67 Mirrors P1.100
Latent Heat P1.67 Lenses P1.104
Heat Capacity P1.69 Check Your Understanding P1.106
Check Your Understanding P1.71
Chapter 13: Optics P1.108
Chapter 9: Thermodynamics P1.73 Introduction P1.108
Introduction P1.73 Geometric Optics P1.108
Zeroth Law of Thermodynamics and Concept of Fibre Optics P1.108
Temperature P1.73 Radar P1.109
Check Your Understanding P1.76 Vision P1.110
The Eye P1.110
Unit III: Oscillations and Electromagnetic Waves
Optical Instruments P1.115
Chapter 10: Oscillations and Wave Motion P1.78 Camera P1.120
Introduction P1.78 Microscope P1.120
Important Terms related to SHM P1.79 Check Your Understanding P1.120
Oscillations P1.79
Chapter 14: Sound P1.122
Wave Motion P1.81
Introduction P1.122
Wave Behaviour P1.83
How Sound Travels P1.122
Beats P1.84
Echo P1.123
Check Your Understanding P1.84
Characteristics of Sound Wave P1.124
Chapter 11: Electromagnetic Radiation P1.87 Pitch P1.124
Introduction P1.87 Frequency P1.124
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Contents ix
Amplitude P1.125 Isotopes, Isobars and Isotones P1.156
Intensity P1.125 Nuclear Stability and Radioactivity P1.156
Measurement of Intensity of Sound P1.125 Fission and Fusion Processes P1.157
Wavelength P1.125 The Energy in an Atom P1.157
Speed of Sound P1.126 Nuclear Reactors P1.159
Interference of Sound Waves P1.126 The Nuclear Fuel Cycle P1.160
Acoustics P1.126 Nuclear Safety P1.160
Sensation of Tone P1.127 Radiological Hazards P1.161
Speech, Music and Noise P1.127 Reactor Safety Systems P1.161
Sonar P1.128 Check Your Understanding P1.162
Sonic Boom P1.128
Chapter 18: Communication System P1.164
Doppler’s Effect P1.129
Elements of a Communication System P1.164
Red Shift P1.129
Basic Terminology Used in Electronic
Check Your Understanding P1.129
Communication Systems P1.165
Unit V: Electricity and Magnetism Propagation of Electromagnetic Waves P1.166
Modulation and its Importance P1.168
Chapter 15: Electricity P1.131
Amplitude Modulation P1.168
Introduction P1.131
Check Your Understanding P1.169
Static Electricity P1.131
Electric Charge P1.133 Practice Exercise P1.171
Electric Current P1.134
Section B: Chemistry
Superconductivity P1.134
Resistance P1.135
How Electric Current is Conducted P1.135 Unit I: Basic Concepts of Elementary Chemistry
Thermoelectricity P1.137
Chapter 1: Elements and Compounds C2.3
Electric Circuits P1.137
Introduction C2.3
Electric Fields P1.140
Importance and Scope of Chemistry C2.3
Magnetic Effects of Electricity P1.140
Historical Approach to Particulate
Alternating Current P1.141
Nature of Matter C2.4
Reactance P1.143
Elements C2.6
Impedance (Z) P1.144
Compounds C2.6
Check Your Understanding P1.147
Air and Water C2.6
Chapter 16: Magnetism P1.150 Check Your Understanding C2.7
Introduction P1.150
Chapter 2: Metals and Non-metals C2.9
Magnetism and its Application P1.150
Introduction C2.9
Magnetite P1.150
Chemical Nature of Metals C2.9
The Electromagnetic Theory P1.151
Non-Metals C2.10
The Magnetic Field P1.152
Alloys C2.11
Check Your Understanding P1.153
Laws of Chemical Combination C2.12
Unit VI: Nuclear Physics and Communication Check Your Understanding C2.12
System
Unit II: Basic Concepts of Physical Chemistry
Chapter 17: Atoms and Nuclei P1.155
Chapter 3: Structure of Atom C2.14
Introduction P1.155
Introduction C2.14
Nuclear Energy P1.155
The Evolution of the Modern Atomic Theory C2.18
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