SCRA 2012 EXAMINATION SYLLABUS:
Following are the two parts of the paper II of SCRA examination
named as PHYSICAL SCIENCES.
(I) PHYSICS
Length measurements using vernier, screw gauge, spherometer
and optical lever.
Measurement of time and mass. Straight line motion and
relationships among displacement, velocity and acceleration.
Newton's Laws of
Motion, Momentum, impulse, work, energy and power. Coefficient of friction. Equilibrium
of bodies under action of forces.
Moment of a force, couple. Newton’s Law of
Gravitation. Escape velocity. Acceleration due to gravity. Mass and Weight;
Centre of gravity, Uniform circular motion, centripetal force, simple Harmonic
motion
Simple pendulum. Pressure in a fluid and its variation with depth.
Pascal’s Law. Principle of Archimedes. Floating bodies, Atmospheric pressure
and its measurement.
Temperature and its measurement. Thermal expansion, Gas
laws and absolute temperature.
Specific heat, latent heats and their
measurement.
Specific heat of gases. Mechanical equivalent of heat. Internal
energy and First law of thermodynamics, Isothermal and adiabatic changes.
Transmission of heat; thermal conductivity. Wave motion;
Longitudinal and transverse
waves. Progressive and stationary waves, Velocity of sound in gas and its
dependence on various factors. Resonance phenomena (air columns and strings).
Reflection
and refraction of light. Image formation by curved mirrors and lenses, Microscopes
and telescopes. Defects of vision. Prisms, deviation and dispersion, Minimum
deviation. Visible spectrum.
Field due to a bar magnet, Magnetic moment,
Elements of Earth’s magnetic field. Magnetometers. Dia, para and
ferromagnetism. Electric charge, electric field and potential, Coulomb’s Law.
Electric
current; electric cells, e.m.f. resistance, ammeters and voltmeters. Ohm’s law;
resistances in series and parallel, specific resistance and conductivity.
Heating effect of current. Wheatstone’s bridge, Potentiometer. Magnetic effect
of current; straight wire, coil and solenoid electromagnet; electric bell. Force
on a current-carrying conductor in magnetic field; moving coil galvanometers; conversion
to ammeter or voltmeter.
Chemical effects of current; Primary and storage cells
and their functioning, Laws of electrolysis. Electromagnetic induction; Simple
A.C. and D.C. generators.
Transformers, Induction coil, Cathode rays, discovery
of the electron, Bohr model of the atom. Diode and its use as a rectifier.
Production,
properties and uses of X-rays. Radioactivity; Alpha, Beta and Gamma rays. Nuclear
energy; fission and fusion, conversion of mass into energy, chain reaction.
(II) CHEMISTRY
Physical Chemistry
1. Atomic structure; Earlier models in brief. Atom as at
three dimensional model. Orbital concept. Quantum numbers and their
significance, only elementary treatment. Pauli’s Exclusion Principle.
Electronic configuration. Aufbau Principle, s.p.d. and f. block elements. Periodic
classification only long form. Periodicity and electronic configuration. Atomic
radii, Electro-negativity in period and groups.
2. Chemical Bonding, electro-valent, co-valent, coordinate
covalent bonds. Bond Properties, sigma and Pie bonds, Shapes of simple
molecules like water, hydrogen sulphide, methane and ammonium chloride.
Molecular association and hydrogen bonding.
3. Energy changes in a chemical reaction. Exothermic and
Endothermic Reactions. Application of First Law of Thermodynamics, Hess’s Law of
constant heat summation.
4. Chemical Equilibria and rates of reactions. Law of
Mass action. Effect of Pressure, Temperature and concentration on the rates of
reaction. (Qualitative treatment based on Le Chatelier’s Principle).
Molecularity; First and Second order reaction. Concept of Energy of activation.
Application to manufacture of Ammonia and Sulphur trioxide.
5. Solutions : True solutions, colloidal solutions and
suspensions. Colligative properties of dillute solutions and determination of
Molecular weights of dissolved substances. Elevation of boiling points.
Depressions of freezing point, osmotic pressure. Raoult’s Law
(non-thermodynamic treatment only).
6. Electro-Chemistry : Solution of Electrolytes, Faraday’s
Laws of Electrolysis, ionic equilibria, Solubility product. Strong and weak
electrolytes. Acids and Bases (Lewis and Bronstead concept). pH and Buffer
solutions.
7. Oxidation — Reduction; Modern, electronics concept and
oxidation number.
8. Natural and Artificial Radioactivity: Nuclear Fission and
Fusion. Uses of Radioactive isotopes.
Inorganic Chemistry
Brief Treatment of Elements and their industrially important
compounds :
1. Hydrogen : Position in the periodic table. Isotopes of
hydrogen. Electronegative and electropositive character. Water, hard and soft
water, use of water in industries, Heavy water and its uses.
2. Group I Elements : Manufacture of sodium hydroxide,
sodium carbonate, sodium bicarbonate and sodium chloride.
3. Group II Elements : Quick and slaked lime. Gypsum, Plaster
of Paris. Magnesium sulphate and Magnesia.
4. Group III Elements: Borax, Alumina and Alum.
5. Group IV Elements : Coals, Coke and solid Fuels,
Silicates, Zolitis semi-conductors. Glass (Elementary treatment).
6. Group V Elements. Manufacture of ammonia and nitric acid.
Rock Phosphates and safety matches.
7. Group VI Elements. Hydrogen peroxide, allotropy of
sulphur, sulphuric acid. Oxides of sulphur.
8. Group VII Elements. Manufacture and uses of Fluorine,
Chlorine, Bromine and Iodine, Hydrochloric acid. Bleaching powder.
9. Group O. (Noble gases) Helium and its uses.
10. Metallurgical Processes : General Methods of extraction
of metals with specific reference to copper, iron, aluminium, silver, gold,
zinc and lead. Common alloys of these metals; Nickel and manganese steels.
Organic Chemistry
1. Tetrahedral nature of carbon, Hybridisation and sigma pie
bonds and their relative strength. Single and multiple bonds. Shapes of
molecules. Geometrical and optical isomerism.
2. General methods of preparation, properties and reaction
of alkanes, alkenes and alkynes, Petroleum and its refining. Its uses as fuel.
Aromatic hydrocarbons : Resonance and aromaticity. Benzene and Naphthalene and
their analogues. Aromatic substitution reactions.
3. Halogen derivatives : Chloroform, Carbon Tetrachloride,
Chlorobenzene, D.D.T. and Gammexane.
4. Hydroxy Compounds : Preparation, properties and uses of
Primary, Secondary and Tertiary alcohols, Methanol, Ethanol, Glycerol and
Phenol, Substitution reaction at aliphatic carbon atom.
5. Ethers; Diethyl ether.
6. Aldehydes and ketones : Formaldehyde, Acetaldehyde,
Benzaldehyde, acetone, acetophenone.
7. Nitro compounds amines: Nitrobenzene TNT, Anlline,
Diazonium Compounds, Azodyes.
8. Carboxylic acid : Formic, acetic, denezoic and salicylic
acids, acetyl salicylic acid.
9. Esters : Ethylacerate, Methyl salicylates, ethylbenzoate.
10. Polymers : Polythene, Teflon, Perpex, Artificial Rubber,
Nylon and Polyester fibers.
11. Nonstructural treatment of Carbohydrates, Fats and
Lipids, amino acids and proteins - Vitamins and hormones
