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Model Question 
School Leaving Certificate Examination  2078 
Grade: XII  Subject: Physics    Subject Code: 102 
Full marks: 75 (11 marks Obj+ 64 marks Sub)   Time: 3 Hours 


Content Area: Mechanics 
1. Rotational dynamics 
1.1 Equation of angular motion, Relation between linear and angular kinematics 1.2 Kinetic energy of rotation of rigid body 1.3 Moment of inertia; Radius of gyration 1.4 Moment of inertia of a uniform rod 1.5 Torque and angular acceleration for a rigid body 1.6 Work and power in rotational motion 1.7 Angular momentum, conservation of angular momentum. 7 
4. Periodic motion 
4.1 Equation of simple harmonic motion (SHM) 4.2 Energy in SHM 4.3 Application of SHM: vertical oscillation of mass suspended from coiled spring 4.4 Angular SHM, simple pendulum 4.5 Oscillatory motion: Damped oscillation, Forced oscillation and resonance. 6 
3. Fluid statics 
4.1 Fluid statics: Pressure in a fluid; Buoyancy 4.2 Surface tension: Theory of surface tension; Surface energy 4.3 Angle of contact, capillarity and its applications 4.4 Fluid Dynamics: Newton’s formula for viscosity in a liquid; Coefficient of viscosity 4.5 Poiseuille’s formula and its application 4.6 Stokes law and its applications 4.7 Equation of continuity and its applications 4.8 Bernoulli’s equation and its applications. 9 
Content Area: Heat and Thermodynamics 
9 First Law of Thermodynamics 
9.2 Thermodynamic systems 9.3 Work done during volume change 9.4 Heat and work; Internal energy and First law of thermodynamics 9.5 Thermodynamic processes: Adiabatic, isochoric, isothermal and isobaric 6.1 Heat capacities of an ideal gas at constant pressure and volume and relation between them 6.2 Isothermal and Adiabatic processes for an ideal gas. 6 7. Second Law of Thermodynamics 7.1 Thermodynamic systems and direction of thermodynamic processes 7.2 Second law of thermodynamics 7.3 Heat engines 7.4 Internal combustion engines: Otto cycle, Diesel cycle; Carnot cycle 7.5 Refrigerator 7.6 Entropy and disorder (introduction only) 6 Content Area: Waves & Optics 9 Wave motion 9.5 Progressive waves 9.6 Mathematical description of a wave 9.7 Stationary waves 2 9 Mechanical waves 9.7 Speed of wave motion; Velocity of sound in solid and liquid 9.8 Velocity of sound in gas 9.9 Laplace’s correction 9.10 Effect of temperature, pressure, humidity on velocity of sound. 4 10 Wave in pipes and strings 10.1 Stationary waves in closed and open pipes 10.2 Harmonics and overtones in closed and open organ pipes 10.3 End correction in pipes 10.4 Velocity of transverse waves along a stretched string 10.5 Vibration of string and overtones 10.6 Laws of vibration of fixed string. 4 10 Acoustic phenomena 10.3  Sound waves: Pressure amplitude 10.4  Characteristics of  sound: Intensity; loudness,  quality  and pitch 10.5  Doppler’s effect. 10. Nature and propagation of light 12.1  Huygen’s  principle 12.2  Reflection  and  Refraction  according to wave  theory 8.  Interference 8.1  Phenomenon of Interferences: Coherent  sources 8.2  Young’s double slit experiment. 12  Diffraction 12.3  Diffraction from  a single  slit 12.4  Diffraction pattern of image; Diffraction  grating 12.5  Resolving power  of optical  instruments. 8  Polarization 8.4  Phenomenon of  polarization 8.5  Brewster’s  law;  transverse  nature  of  light 8.6  Polaroid. Content Area:  Electricity  &  Magnetism 9.  Electrical circuits 9.1  Kirchhoff’s  law 9.2  Wheatstone bridge circuit; Meter  bridge 9.3  Potentiometer: Comparison of e.m.f., measurement of internal resistances  of a  cell 9.4  Super conductors;  Perfect conductors 9.5  Conversion of galvanometer into  voltmeter  and  ammeter; Ohmmeter 9.6  Joule’s law 13  Thermoelectric  effects: 13.7  Seebeck  effect;  Thermocouples 13.8  Peltier  effect: Variation  of  thermoelectric  e.m.f.  with temperature; Thermopile 10.  Magnetic  field 10.1  Magnetic field  lines and magnetic flux;  Oersted’s experiment 10.2  Force on moving  charge;  Force on a  conductor 10.3  Force and  Torque  on rectangular  coil, Moving coil galvanometer 10.4  Hall  effect 10.5  Magnetic field  of  a moving charge 10.6  Biot  and Savart  law and  its  application  to (i)  a  circular  coil  (ii)  a  long straight  conductor (iii)  a  long solenoid 10.7  Ampere’s law and its applications to (i)  a long straight conductor  (ii)  a  straight solenoid  (ii)  a  toroidal solenoid 10.8  Force between  two  parallel  conductors  carrying current- definition of ampere 15.  Magnetic  properties of  materials: 15.1  Magnetic field  lines  and magnetic  flux 15.2  Flux density  in  magnetic  material;  Relative  permeability;  Susceptibility 15.3  Hysteresis 15.4  Dia,-para-  and  ferro-magnetic  materials. 12.  Electromagnetic  Induction: 12.1  Faraday’s  laws;  Induced  electric  fields 12.2  Lenz’s  law,  Motional  electromotive  force 12.3  A.C. generators;  Eddy  currents 12.4  Self-inductance and mutual inductance 12.5  Energy  stored in  an  inductor 12.6  Transformer. 13  Alternating Currents 13.1  Peak and  rms  value of  AC  current  and  voltage 13.2  AC through a resistor, a capacitor and an inductor 13.3  Phasor  diagram 13.4  Series circuits containing  combination  of  resistance,  capacitance  and inductance 13.5  Series  resonance, quality  factor 13.6  Power in AC  circuits:  power factor Content Area :  Modern  Physics 13  Electrons 13.2  Milikan’s oil drop  experiment, 3 2 3 3 6 3 9 5 6 6 4 13.3  Motion of electron beam in electric  and  magnetic fields 13.4  Thomson’s experiment to  determine specific charge of electrons 14.  Photons 14.1  Quantum  nature  of  radiation 14.2  Einstein’s  photoelectric equation; Stopping potential 14.3  Measurement of  Plank’s constant 14  Semiconductor  devices 14.2  P-N Junction 14.3  Semiconductor diode: Characteristics in  forward and reverse bias 14.4  Full wave  rectification 14.5  Logic  gates;  NOT,  OR,  AND,  NAND  and NOR. 15.  Quantization of  energy 15.1  Bohr’s theory  of  hydrogen atom 15.2  Spectral series;  Excitation and  ionization  potentials 15.3  Energy  level;  Emission and absorption  spectra 15.4  De Broglie Theory;  Duality 15.5  Uncertainly  principle 15.6  X-rays: Nature  and production; uses 15.7  X-rays  diffraction, Bragg’s  law. 15  Radioactivity  and  nuclear  reaction 15.2  Alpha-particles;  Beta-particles, Gamma  rays 15.3  Laws of radioactive disintegration 15.4  Half-life,  mean-life  and  decay  constant 16.1  Geiger-Muller Tube 16.2  Carbon  dating 16.3  Medical use  of nuclear radiation  and possible  health hazard. 16  Recent trends  in  physics Seismology: 16.1  Surface waves:  Rayleigh  and  Love  waves  Internal waves:  S and P-waves Wave patterns of  Gorkha Earthquake 2015 16.2  Gravitational Wave Nanotechnology  Higgs Boson 6 8 6 6 1

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