Hii,for an M.Sc. Physics it is an postgraduate course for an study of physics.And it is two year program.Well,if i talk about the pattern of an entrance exam it just consist of 100 objective questions.I also like to tell you aboput the syllabus with their marks pattern you can study accordingly. 

Optics- Fermat principle,Aberrations, Eyepieces. Interference, Fresnel biprism, Interference in thin film, Newton rings, Michelson Interferometer. Diffractions, Simple theory of Fresnel diffraction with applications. Fraunhoffer diffraction due to single slit,double slit, plan diffraction grating. Resolution, Rayleigh criteria, Resolving power of prism, Grating and telescope. Polarisation, Malus law ,Brewester's law, Double refraction, Nicol prism,Circular and elliptically polarised light.(15 Marks)

Mechanics and Wave Phenomena-Multiplication and differentiation of vectors, gradient,curl of a vector, Gauss and Stoke theorems,Centre of mass, Work and energy, Conservative and non Conservative forces. Law of conservation of energy, Motion in central field, Two particle central force problem and reduced mass, Compound pendulum, Linear and angular momenta, Torque and angular momentum. Moment of inertia. Calculation of M.I. of some simple objects, Flywheel. Elastic constants, Torsion of cylinder, Bending beam, Cantilevers, Viscosity, Stoke law. S.H.M., Differential equation of wave motion(15 Marks)

Thermodynamics- Maxwell distribution law, Specific heat, Mean free path, Vanderwaal equation, Critical constants, Ist law of thermodynamics, Isothermal and adiabatic processes, Reversible and irreversible processes, Carnot engine and Carnot theorem, Absolute scale of temperature, Second law of thermodynamics, Identity of perfect gas scale and absolute scale, Entropy, Clausius-Clayperon's heat equation, Joule-Thomson effect, Maxwell's thermodynamical relations, Conductivity,Kinematics theory of gases(15 Marks)

Electricity and Magnetism-Gauss theorem and its applications, Electric field and electric potential, Electric polarisation of matter, Polarisation and displacement vectors, Dielectrics, Kirchhoff's laws and their applications, BiotSavart law and its applications, Electromagnetic induction, Faraday law, Ballistic galvanometer, Growth and decay of currents, A.C. circuits, Transformer, Network theorems and A.C. bridges, Magnetic permeability and susceptibility(15 Marks)

Quantam Mechanics-Planck theory, photoelectric effect, Compton effect, Frank-Hertz experiment, Uncertainty principle, Wave particle duality, deBroglie theory, Davission-Germer experiment, Schroedinger equation,Black Body radiations.(5 Marks)

Atomic Physics-Bohr, Sommerfield and vector atom model, Electron spin, Pauliexclusion principle, Normal Zeeman effect,Stern-Garlach experiment(5 Marks)

Nuclear Physics-Binding energy, Nuclear forces, Nuclear spin, Magnetic moment, Liquid drop and shell models, Fission and fusion, Radioactivity(5 Marks)

Periodic Solids-Unit cell, Miller indices, sc,bcc and fce lattices, Cscl and Nacl structure, Bragg law, X-ray diffraction(5 Marks)

Relativity-Special theory of relativity, Galilion invariance, MichelsonMorley experiment, Lorentz transformation, Relativistic addition of velocities, Mass variation with velocity, Mass energy(5 Marks)

Electronics-Thermionic emission, Vacuum diode, triode, tetrode and pentode, Intrinsic and extrinsic semiconductors, PN junction, Half wave and full wave rectification, Filter circuits, Zener diode, Voltage stabilization, Bipolar Junction Transistor, Transistor biasing, Transistor configurations(15 Marks)

You can also solve previous year paper to better understand the pattern of an paper.Hope this helpful for you.Goodluck.