PHYSICS-I (G106)
DETAIL COURSE CONTENT
UNIT 1 - UNITS, DIMENSION AND MEASUREMENTS
Units, Dimension:Concept of unit of physical parameters. Fundamental and derived units. SI system of units of different physical parameters.Dimension with examples of different physical parameters. Measurements : Measuring devices e.g., slide calipers, screw gauge, speedometer with concept of vernier constant, least count and zero error. Physical Balance.
UNIT 2-MECHANICS
Motion along a straight line and Force: Concept of scalar and vector quantities. Speed, velocity and linear acceleration. Equations of motion with constantacceleration (derivation not required). Equations of motion of falling body under gravity.Simple problems on linear motion.Newton’s laws of motion, Action andreaction, tension.Force, inertia, momentum, impulse and impulsive force with practical examples.Conservation of linear momentum.
UNIT 3-GRAVITATION:
Newton’s laws of gravitation.Newton’s gravitational constant G and its SI unit.Acceleration due to gravity (g) and its relation with “G”.Variation of g with altitude and latitude (deduction not required).Difference between mass and weight.Simple problems
UNIT 4- WORK, POWER AND ENERGY:
Work, power and energy with their units and mathematical expressions.Relation between Horse power and Watt.Different forms of mechanical energy : PE, KE and their expressions. Conservation of energy and transformation of energy with examples.Simple problems
UNIT 5-PROPERTIES OF MATTER :
Properties of solid -Plasticity and elasticity in solids,Deformation of bodies by the action of external forces change in size and change in shape.Unit of stress – tensile stress, compressive stress and Shear stress with examples.Unit of strain – tensile strain., volume metric strain and shear strain & Hooke’s law .Modulus of elasticity – Young’s modulus, Bulk modulus and Modulus of rigidity, Poison’s ratio and their units [Definition & basic concepts only, no deduction].Stress – Strain curve.Properties of Fluid. Thrust and pressure,Law of fluid pressure, Pascal’s law and working principles of hydraulic press, Archimedes Principle and its applications.Specific gravity and relative density.Hydrometers and their uses.Properties of gas : Toricelli’s Expt. & Simple Barometer, Simple problems
UNIT 6-HEAT:
Heat and temperature (Review) ,Heat and temperature.Fixed points and different scales of temperature - Fahrenheit, Celsius and Kelvin and their relationships. Simple problems.Measurement of heat :Quantity of heat, units of heat:Joule and Calorie.Specific heat of solid, heat capacity ,water equivalent.Principle of calorimeter, Measurement of specific heat.Change of state : Latent heat, evaporation & boiling, effect of pressure .Boyle’s law and Charles law, Universal gas law and universal gas constant. Idea of two specific heat capacities of gas: Cp and Cv and their relationships (deduction not required). Thermal expansion & Transmission of heat: Expansion of solid – linear, superficial and cubical co-efficient of expansion & their units. Interrelationship between different co-efficient of expansion with examples.Different methods of transmission of heat : conduction, convection and radiation.Co-efficient of thermal expansion & its unit.Good conductors and bad conductors of heat.Simple problems .
UNIT 7-SOUND :
Simple Harmonic Motion:Simple harmonic motion and its characteristics.Time period, frequency & amplitude of vibration.Mathematical expression of SHM. Examples of SHM: Simple Pendulum.Idea on Longitudinal& Transverse wave Simple problems.Production and propagation of Sound. Natural vibration, forced vibration with examples.Resonance of sound with examples.Principle of resonance to find out velocity of sound in air.Velocity of sound , Newton’s formula and Laplace correction (Idea only, no deduction).Reflection of sound: Echo, reverberation Simple problems. X`Musical sound, noiseCharacteristics of musical sound and noise with examples .Factors affecting sound.
(Note:10 L Hrs. can be used for assessment and evaluation of students on each module.).
PRACTICAL:
Suggested list of experiments:
1.To measure the volume of a wooden block by using Vernier callipers.
2.To measure the surface area of a metal washer by Vernier inside callipers .
3.To measure the depth of a hole by Depth Gauge (Vernier callipers).
4.To measure the cross-section of a wire by Screw Gauge.
5.To determine the thickness of a glass plate by Spherometer.
6.To adjust a common balance and to determine the specific gravity of a liquid by specific gravity
bottle.
7.To establish the relation between pressure and volume of a fixed mass of gas at a constant
temperature using Boyle’s apparatus.
8.To determine the acceleration due to gravity (g) of a place by simple pendulum.
9.To measure the velocity of sound in air by air resonance column method.
SUGGESTED LEARNING RESOURCES:
REFERENCE BOOK:
1. Principle of Physics – Subrahmanyan & Brizal
2. Intermediate Physics – S.C.Roy Chaudhury & D.B.Sinha
3. Fundamentals Of Physics – David Halliday, Robert Resnick & Jeal Walka
4. University Physics – Francis W. Sears, Mark W. Zemans Key & Hugh D. Young
5. University Physics – Hugh D. Young & Roger H. Freedman
6. A text book of Physics (Part I) – C. R. Dasgupta
7. Elements of Higher Secondary Physics (Part I) - D. Dutta, B. Pal & B. Chaudhuri
8. Physics (Volume I) - Ajoy Chakraborty
9. Applied Physics (Vol. 1) - Saxena H.C. & Singh Prabhakar
10. Physics for 10+2 students (Part I) - Das, S.K, Sisodia M.L, Neher P.K., Kachhawa C.M