Topicwise Question Bank In Physics- Class Xii Volume Ii 1St Edition by MHE, McGraw Hill

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McGraw Hill Topicwise Question Bank In Physics- Class Xii Volume Ii 1St Edition by MHE

Meant for the NEET (UG) aspirants, Topicwise Question Bank in Physics for NEET (NTA)– Volume II has been written exclusively to help students crack the Medical Entrance exams. The exhaustive book with a plethora of questions is unique in a way that each chapter in it consists of carefully-selected questions organized on the basis of the subtopic which they cover. Assertion-Reason questions have also been provided keeping in mind the combined examination for AIIMS and NEET (NTA). In addition, questions under each subtopic have been segregated into Levels I, II and III. This will help the aspirants to target specific areas and hone their skills. Solutions and explanations have also been provided for the questions of each chapter. SALIENT FEATURES ? Covers the latest NEET syllabus ? Questions have been arranged in each chapter under specific subtopics ? Carefully selected questions which cover all possible variations of a subtopic asked in an examination ? Assertion-Reason questions provided keeping in mind the combined AIIMS and NEET examination ? Solutions to all exercise questions have been provided in a step-by-step manner TABLE OF CONTENTS CONTENT 1. Electric Charges and Fields 1.1 – 1.42 Electric Charges 1.1 Methods of Charging 1.2 Coulomb’s Force and Coulomb’s Law 1.3 Forces Between Multiple Charges 1.9 Electric Field Intensity 1.11 Electric Field Intensity due to Circular Loop 1.18 Electric Field Lines 1.19 Electric Flux 1.23 Electric Dipole Moment 1.31 Electric Field due to a Dipole 1.32 Torque Acting on a Dipole 1.34 Continuous Charge Distribution 1.34 Gauss’s Law 1.35 Application of Gauss’s Law 1.37 Answers 1.40 2. Electrostatic Potential and Capacitance 2.43 – 2.77 Coulomb’s Law 2.43 Dielectric Constant 2.43 Continuous Charge Distribution/Linear Charge Distribution/ Surface Charge Distribution 2.43 Electric Field Lines 2.44 Electric Flux 2.45 Relation Between Field and Potential 2.48 Electric Potential due to Point Charge 2.49 Electric Potential Due to two Charges 2.50 Electric Dipole Moment 2.53 Equipotential Surface 2.53 Electrical Potential Energy 2.54 Capacitance and Insulators 2.55 Electrical Capacitance 2.55 Charging of Capacitor 2.56 Capacitance of a Parallel Plate Capacitor 2.56 Capacitance of an Spherical Conductor 2.59 Energy Stored in Charged Capacitor 2.67 Energy stored in combination of capacitors 2.69 Answers 2.76 3. Current Electricity 3.78 – 3.121 Current Density 3.81 Drift Velocity and Mobility/ Drift Current 3.82 Drift of Electrons and Origin of Resistivity 3.82 Ohm’s Law 3.83 Verification of Ohm’s Law 3.85 Electrical Resistance 3.86 Resistivity of Different Materials 3.87 Conductance and Conductivity 3.89 Conversion of Galvanometer to Voltmeter 3.89 Conversion of Galvanometer to Ammeter 3.91 Electrical Energy 3.91 Electric Power 3.94 Heating Effect of Current 3.94 Cells, emf and Internal Resistors 3.106 Kirchoff’s Law 3.111 Wheat Stone Bridge 3.113 Metre- Bridge 3.114 Potentiometer 3.115 Answers 3.119 4. Magnetic Effect of Current 4.122 – 4.152 Magnetic Force/Coulomb’s Magnetic Law 4.122 Motion in Combined Electric and Magnetic Field 4.128 Magnetic Field Due to a Straight Current Carrying Conductor/Magnetic Field Due to Long Straight Wire/Infinite Conductor 4.129 Magnetic Field Due to Current Carrying Circular Loop/Magnetic Field at the Centre of the Coil 4.134 Ampere’s Circuital Law 4.140 Magnetic Field Due to a Solenoid Carrying Current 4.140 Magnetic Field Due to Current Carrying Circular Cylinder 4.141 Magnetic Lorentz Force 4.142 Magnetic Flux Intensity 4.143 Flux Density 4.143 Magnetic Induction 4.143 Electromagnetism 4.143 Force on a Current Carrying Conductor Placed in Magnetic Field 4.144 Force Between Two Parallel Long Current Carrying Conductors 4.145 Torque on Current Loop in Magnetic Field 4.146 Galvanometer 4.148 Cyclotron 4.148 Earth’s Magnetism 4.149 Magnetic Materials 4.149 Answers 4.151 5. Magnetism and Matter 5.153 – 5.172 Bar Magnets 5.153 Magnetic Field 5.154 Magnetic Dipole Moment/Magnetic Moment 5.156 Magnetic Moment of a Solenoid 5.158 Torque Acting on a Magnetic Dipole 5.158 Earth’s Magnetism 5.159 Components of Earth’s Magnetism 5.160 Magnetic Dip and Magnetic Declination 5.161 Magnetic Intensity 5.162 Magnetic Properties of Materials 5.163 Vibrational Magnetometer 5.165 Applications of Vibratonal Magnetometer 5.166 Tangent Galvanometer 5.167 Motion of Charged Particle in Magnetic Field 5.167 Magnetic Field Due to Circular Loop 5.169 Force on a Current Carrying Conductor 5.171 Force Between Two Parallel Conductors 5.171 Answers 5.172 6. Electromagnetic Induction 6.173 – 6.192 Faraday’s Laws of Induction 6.173 Lenz’s Law 6.175 Motional EMF 6.175 Self Inductance 6.183 Self Inductance of a Coil 6.185 Self Inductance of a Solenoid 6.185 Self Inductance of Combination of Cells 6.186 Energy Stored in a Inductor 6.186 Mutual Inductance 6.186 Mutual Inductance of a Solenoid 6.189 Earth’s Magnetism 6.189 Properties of Magnetism 6.191 Eddy Currents 6.191 Answers 6.192 7. Alternating Current 7.193– 7.213 Alternating Current 7.193 Mean Value of Alternating Current 7.194 R.M.S. Value of Alternating Current 7.194 Wattles Current 7.196 Alternating EMF Applied to a Resistor 7.196 Alternating EMF Applied to an Inductor 7.197 Alternating EMF Applied to a Capacitor 7.198 Series LCR Circuit 7.199 Electrical Resonance- Series LCR Circuit/Parallel Resonance LCR Circuit 7.202 Impedance 7.203 Capacitive Reactance 7.203 RC, RL Circuit 7.203 Power Consumed in Resistive Circuit 7.207 Power Consumed in a Series LCR Circuit (A.C. Circuit) 7.207 Power Factor of an A.C. Circuit 7.208 LC Oscillations ( Tank Circuit) 7.209 Choke Coil 7.210 Transformers 7.210 Step Down Transformers 7.211 EQuality Factor of Resonant Circuit 7.211 Power Consumed in Resistive Circuit 7.211 D. C. Motor 7.212 Answers 7.213 8. Electromagnetic Waves 8.214 – 8.216 Amplitude of Electric and Magnetic Fields 8.214 Energy Density of E.M. Waves 8.215 Intensity of Waves 8.215 Radiation Pressure 8.216 E.M. Spectrum 8.216 Answers 8.216 9. Ray Optics 9.217 – 9.253 Refraction of Light 9.217 Refractive index 9.217 Refraction of Light from a Plane Surface/ Refraction of Light from Surface of a Plane Surface 9.222 Laws of Reflection 9.224 Total Internal Reflection/Critical Angle 9.224 Refraction at Spherical Surfaces 9.226 Image Formed by Plane Mirrors 9.227 Image Formed by Concave Mirrors 9.232 Image Formed by Convex Mirrors 9.235 Image Formed by Spherical Mirrors/ Spherical Mirrors 9.237 Image Formed by Lens 9.239 Power of a Lens and Linear Magnification/Optical Power 9.240 Combination of Lenses 9.241 Lens Immersed in a Liquid 9.244 Lateral Inversion 9.245 Refraction Due to a Prism 9.245 Dispersion of Light Through Prism 9.247 Dispersion of Light 9.247 Scattering of Light 9.248 Phenomenon Due to Scattering of Light 9.248 Light density 9.248 Spherical Abberation 9.249 Polarisation of Light/Polarisation 9.249 Microscope 9.249 Telescope 9.250 Human Eye 9.251 Answers 9.252 10. Wave Optics 10.254 – 10.273 Wave Fronts 10.254 Huygens Principle 10.254 Refraction and Reflection of Plane Wave 10.255 Coherent and Incoherent Addition of Waves 10.255 Interference of Light Waves 10.257 Young’s Double Slit Experiment 10.260 Doppler’s Effect 10.267 Thin Films Interference 10.267 Diffraction 10.268 Polarisation 10.269 Michael Son Interferometer 10.271 Fresnel’s Biprism 10.271 Answers 10.272 11. Dual Nature of Matter and Radiation 11.274 – 11.291 Milikan’s Oil Drop Experiment 11.274 Photons 11.274 Photoelectric Effect 11.276 De- Broglie Waves 11.286 Electron Microscope 11.289 Davison Germer Experiment 11.289 Intensity of Waves and Radiation Pressure 11.290 Answers 11.291 12. Atoms 12.292 – 12.305 Alpha particle scattering experiment 12.292 Rutherford model of atom 12.293 Distance of closest approach 12.293 Impact parameter 12.293 Bohr’s model of atom 12.293 Frequency and wavelength of emitted rays 12.300 Hydrogen spectrum 12.301 Energy level diagram of hydrogen atom 12.303 Ionization and excitation energy 12.303 X- rays 12.304 Answers 12.305 13. Nuclie 13.306 – 13.323 Neutron 13.306 Isotopes, Isobars and Isotones 13.306 Size of Nucleus 13.307 Composition of a Nucleus 13.308 Nuclear Density 13.308 Binding Energy 13.308 Packing Fraction 13.310 Radioactive Decay 13.310 Radioactive Decay Constant 13.311 Half Life of Radioactive Substance 13.311 Mean Life 13.316 Activity of a Radioactive Substance 13.316 Alpha Decay 13.317 Beta Decay 13.318 Gamma Decay 13.319 Application of Gamma Rays 13.319 Nuclear Reactions 13.319 Nuclear Fission and Fusion 13.320 Chain Reactions 13.321 Nuclear Reactors and Hazards/Radiation Hazards 13.321 Answers 13.322 14. Semiconductor Electronic Material, Devices and Simple Circuits 14.324 – 14.343 Intrinsic Semiconductors 14.325 Extrinsic Semiconductors 14.326 P-N Junction 14.327 Semiconductors Diode 14.328 Zener Diode and Light Emitting Diodes 14.331 Junction Diode as Rectifier 14.331 Junction Transistor 14.332 Logic Gates 14.335 Logic Gates 14.338 Junction Transistor 14.341 Boolean Algebra 14.342 Extrinsic Semiconductors 14.342 Answers 14.343 15. Principles of Communication 15.344 – 15.348 Frequency Modulator 15.344 Amplitude Modulator 15.344 Space wave propagation 15.345 Sky wave propagation 15.346 Propagation of E.M wave 15.346 Modulation and its necessity 15.347 Space wave 15.347 Explanations S.1 – S.169 1. Electric Charges and Fields S.1 2. Electrostatic Potential and Capacitance S.13 3. Current Electricity S.29 4. Magnetic Effect of Current S.55 5. Magnetism and Matter S.69 6. Electromagnetic Induction S.85 7. Alternating Current S.89 8. Electromagnetic Waves S.103 9. Ray Optics and Optical Instruments S.105 10. Wave Optics S.129 11. Dual Nature of Matter and Radiation S.138 12. Atoms S.147 13. Nuclie S.155 14. Semiconductor Electronic Material, Devices and Simple Circuits S.160 15. Principles of Communication S.167 Prelims.