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i need model question paper for trb exam 2012 in commerce subject

pls send trb model question paper to my mail id [email protected]

I need the trb exam tamil syllabus and question paper

Originally Posted by unregistered

i have finished ma b.ed in english now i'm going to write trb when the exam will be anounced announced?
I want the question paper model pettern and how to prepare for it?

send the syllabus kindly .

sir i have complete B.sc,Bed maths i want trb model question papaer

hello frdz
tis s PARAMESH ,am going to write TRB exam ,plz send me some model qstn papers,bcoz tis s 1st time for me, can u help me plz,my mail id ,[email protected]

HAI SIR I AM SRINIVASAN FROM VELLORE " PLEASE SEND ME TRB EXAM QUESTION MODEL?

Originally Posted by Unregistered

trb exam 2012 syllbus

yes sir. i want syllabus and model question papers of trb exam.

sir i need Question & answer last 10 years at TRB tamil pl msg me

i iam s.kaari finished ma med (history) i nerveous about exam of trb pls send syllbus& model question bank to
[email protected]

SIR HAVE FINISHED M.P.Ed., M.Phil (PHYSICAL EDUCATION), I WANT A GOOD JOB.

hello sir i need model question papers for TET exam

Materials Science - TRB Physics Study Materials

SI NO.
QUESTIONS
ANSWERS
1.
Atoms or molecules are regularly arranged that solids are?
Crystalline
2.
Diamond, aluminum, polonium, copper, nickel are the examples are?
Crystalline solids
3.
Change in liquid phase or gaseous phase to solid to called as?
Crystallization+
4.
Mostly point imperfection may occurs due to the presence of?
Impurity atom
5.
Missing of atom or atoms in an atomic site is known as?
Vacancy
6.
The extra plane of atoms lying above the slip plane are called?
Positive edge dislocation
7.
This type of impurity may stay normally unfilled volume is known as?
Interstitial impurity
8.
Frankel vacancies are produced when the crystal is exposed to a high?
Radiation
9.
Slip is caused due to the motion of?
Screw dislocation
10.
Vander waals bond and hydrogen bond are the example for?
Secondary bond
11.
The example for ionic crystal is?
Nacl
12.
Vander waals bond are much weaker than
Ionic and covalent bonds
13.
Which is correct?
Covalent – ionic – metallic – hydrogen – van der waals
14.
Covalent bond is a ?
Strong bond
15.
Homogeneous mixture of two or more metals or a metal and a non-metal is called?
An alloy
16.
Angle made by the inclined plane is called?
Shear strain
17.
Hydrostatic pressure is the stress acting equally from?
All directions
18.
Force/area is known as?
Stress
19.
Ceramics are the compounds of?
Metals and non-metals
20
The property of the material which enables it to be twisted, bent or stretched, under a high stress before rupture is known as?
Toughness
21
Glasses are generally called as?
Super cooled liquids
22
I.C. engines, boiler and turbines using the principle of ?
Creep
23
High silica glass contains?
96% silica
24
Bi product is not obtained in?
Addition polymerization
25
The combination of bronze is?
Cu 90% sn 10%












TRB PHYSICS SYLLABUS
Unit I: Thermal Physics and Acoustics

Thermal Physics:
Calorie – Relation between Heat and Work –Thermal capacity – change of state – latent heat- Newton’s law of cooling. Definition of Cp and Cv – Meyer’s relation – Equation of perfect gas – Vanderwaal’s equation of state – Definition of critical points – critical constants and their determination. Thermal conductivity – conductivity of good and poor conductors – Forbe’s and Lees Disc methods. Second law of Thermodynamics – Concept of Entropy – Entropy of an ideal gas – Reversible and irreversible processes – Carnot theorem – Proof - Carnot engine – Indicator diagram – Rankine’s cycle – Petrol and Diesel engines.
Acoustics
Progressive waves – Characteristics – SHM – free, damped and forced oscillations – Composition of two SHMs in the same straight line – Beats – Velocity of sound in air – Newton – Laplace formula. Ultrasonics – Production by piezoelectric method – Application to flaw detection and sonography.

Unit II: Mechanics, Properters of Matter and Mathematical Methods

Mechanics: Impulse – Impact – Impulsive forces – Laws of impact Direct and oblique impacts between two smooth spheres – loss of kinetic energy.
Properties of matter: Elasticity -Young’s modulus, Rigidity modulus, Poisson’s ratio – Relation between Elastic modulii and Poisson’s ratio – Determination of elastic constants by Searle’s method.
Surface Tension: Explanation – Angle of contact - determination by capillary rise method – Formation of drops – Relation between curvature pressure and surface tension.
Viscosity: Definition – Poiseuille’s flow method.
Mathematical Methods: Gradient of a scalar field – Divergence of a vector function – Curl of a vector – their physical significance - Vector identities. Line, surface and volume integrals.

Unit III: Optics

Interference: Theory of interference fringes – Colours of thin films – Newton’s rings – determination of wavelength of light and refractive index of liquid
Diffraction: Fresnel and Fraunhofer diffraction – plane diffraction grating – determination of wavelength. Resolving power – Rayleigh’s criterion – Resolving power of telescope, microscope, prism and grating. Relation between resolving power and magnifying power.
Fibre optics: Construction of optical fibres – propagation theory – Reflection and refraction – Step index and graded index fibre – Numerical aperture – Applications.

Unit IV: Magnetism and Electricity

Magnetism: Magnetic permeability and susceptibility – Properties of dia, para and ferromagnetic materials. B-H curve – hysteresis – energy loss.
Electrostatics: Electric charges – Permittivity - relative permittivity – electric intensity – electric induction – Gauss’s theorem in electrostatics. Electric potential - relation between potential and intensity. Capacitance – spherical parallel and cylindrical condensers – effect of dielectric.
Current Electricity: EMF and internal resistance of a cell – Potentiometer Calibration of ammeter – high and low range voltmeter. Thermo electricity – Peltier and Thomson coefficient – magnetic effect of electric current – Biot- Savart law – definition of ampere. Magnetic field intensity due to a solenoid – Force on a current carrying conductor in a magnetic field. Moving coil ballistic galvanometer – theory – damping correction –
Alternating current circuits – growth and decay of charges in LCR circuit. Transformer – Step-up and Step-down – energy loss.

Unit V: Modern Physics

Positive Ray Analysis – e/m of positive ions – Aston and Bainbridge mass spectrographs – isotopes. X-rays- Bragg’s law – Miller indices – Crystal Structure – Crystal packing - Photo electric effect – Einstein’s theory – Millikan’s experiment – photo electric cells and application.
Atom Models: Bohr’s theory of hydrogen atom – energy level diagram. Sommerfeld’s relativistic atom model – Vector atom model – spatial quantization – electron quantum numbers. Pauli’s exclusion principle. Zeeman effect and its application.

Unit VI: Spectroscopy

Classification of line, band and continuous spectra Microwave spectroscopy: Rotational spectra of diatomic molecules – instrumentation – magnetron and klystron Infrared spectroscopy: Vibrational study of diatomic molecules – IR spectrometer.
Raman spectroscopy: Raman effect – Raman shift – stokes and anti stokes lines – Raman spectrometer.
Lasers: Population inversion – optical pumping – construction, principle and working of He-Ne and Ruby Lasers – Holography.

Unit VII: Basic Quantum Mechanics and Relativity

Inadequacy of classical mechanics – Schrodinger wave equation – Physical significance of wave function – Postulates of Quantum mechanics – Heisenberg’s uncertainty principle.
Relativity: General theory – Newtonian relativity – Galilean transformation – Postulates of special theory of relativity – Lorentz transformation – Length contraction and Time dilation – Relativistic mass. Mass – energy equivalence.

Unit VIII: Nuclear Physics

Radioactivity – theory of alpha decay – Geiger – Nuttal law – beta decay – neutrino hypothesis – Gamma ray spectra. Nuclear detector – Geiger Muller Counter – scintillation counter. Particle accelerator – linear, cyclotron, synchro cyclotron, betatron
Nucleus- Nuclear size , charge , mass, radius. Mass defect and binding energy.
Characteristics of nuclear forces – nuclear model – liquid drop model Neutron – discovery - sources – classification of neutrons – nuclear fission – self sustained chain reaction – fusion – thermo nuclear reaction.
Elementary particles – classification – properties and interaction with matter.
Unit IX: Materials Science

Bonding in solids – ionic – covalent – metallic – vander waals bonds point defects – line defects - surface defects – volume defects – production and removal. Single and multi-phase solids – alloys – stress and strain - Hook’s law – strength, elasticity, plasticity, ductility, malleability, hardness, brittleness tests.
Superconductors – super conductivity - nature and occurrence – type I and type II superconductors.
Introduction to ceramics – classes and properties – polymers – polymerization mechanism.
Unit-X: Electronics:

Semiconductors – energy bands – intrinsic and extrinsic semiconductors – n-type and p -type semiconductors – Diodes – Zener Diodes – Voltage regulation. Rectifiers – Half wave, full wave and bridge rectifiers – Amplifiers – RC coupled amplifier – frequency response – feed back amplifiers – oscillators – Hartley and Colpitt oscillators.
Transistors – p-n-p and n-p-n transistors – I-V characteristics of UJT, FET and MOSFET. Multivibrators – astable, monostable, bistable. Fabrication of Integrated circuits. Logic gates – universal gates – Boolean Algebra – De Morgan’s theorem – K-map simplification. Television – Transmission and reception – principle of colour TV. Radar - Principle and applications.

All a Fine.i have done B.Ed.(Botany).i need to TRB Botany Question paper

sir i am attending first time this exam please send model of question paper and syllabus

Originally Posted by Unregistered

sir i have finished my M.A B.Ed and preparing for trb exam. but this is first time i am going to attend the exam. so for that i kindly request u to send me model questions and syllabus pls

email id [email protected]
E.selvaganesh

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