PHYSICS – II (G106)


PHYSICS – II (G106)
L
2
T
0
P
2
Credit: 3
Curri. Ref. No.: G106
Prerequisite: G105
Total marks: 150
Total Contact hrs :60
Lecture: 30Tutorial:0 Practical:30
Theory: 100= End Term Exam: 70 +P.A: 30
Practical: 50=End Term Exam: 25+   P.A : 25

THEORY   Total Periods                 :                                                                                              
UNIT
TOPIC/SUB-TOPIC
HRS

1
 LIGHT   8
Reflection of light, Reflection of  light on plane surface (Review) : Laws of reflection. Image formation for reflection in a plane mirror. Geometrical method of  locating image. Reflection of light on spherical surface : Different types of spherical mirror. Radius of curvature and focus of a spherical mirror. Reflection by a spherical mirror: real and virtual images, magnification. Geometrical  method of determination of  image position, size and nature of  the images formed. Relation between focal length and radius of curvature of the spherical mirror, Relation between object distance, image distance and focal length (no deduction).Uses of different types of mirrors. Refraction of  light: Refraction of light through plane surface (Review). Laws of  refraction. Refractive index in terms of velocity of light in different media Total internal reflection and critical angle,  concept of fibre optics & its various practical  applications. Dispersion of  light through a prism. Optical Lens : Different types of lenses. Position and nature of images formed by convex and concave lenses ,Image formation formula (no deduction). Power of  a lens. Electromagnetic spectrum : Infrared, Ultra violet & visible light. Simple problems

8
2
MAGNETISM
Magnetic properties (Review). Natural and artificial magnets. Properties of magnetsTypes of magnets – bar, horse-shoe, needle. Preparation of temporary and permanent magnets Induced magnetism. Magnetic measurement: Uniform and non-uniform field.Magnetic moment. Inverse square law. Magnetic lines of force Elements of  Earth magnetism : dip, declination and horizontal component.

3
3
 ELECTROSTATICS            
Electrostatics Basic: Basic concept of Electric charge. Its production and nature – electrification by rubbing  : Kinds of electrification .Electrostatic induction and conduction. Conductors and non-conductors. Surface density of charge, The lightening conductor. Coulomb’s law between electric charges. Field intensity and electric potential. Electric permittivity Lines of force in electrostatic field.


4
 CURRENT ELECTRICITY
Electric current: Cell: Primary & Secondary.Flow of charge – electric current and its unit.  Electric motive force (EMF. Ohm’s law. Resistance and its unit, specific resistance. Resistance in series and parallel. Factors affecting resistance. Wheatstone bridge circuit. Relation for balanced Wheatstone bridge (No deduction). Meter bridge, P.O. Box. Simple  problems. Heating Effects of Current:Joule’s law. Electrical work, energy and power with units Simple problems. Magnetic. Effect of Electric Current: Magnetic effect of electric current,  Bio-Savart law. Fleming’s left hand rule Application of Magnetic effect of electric current – Galvanometer (concept only) Electromagnetic Induction:Faraday’s law, Fleming right hand rule, Basic concept of A.C. generator.

10
5
MODERN PHYSICS 6
Photo-electric effect: Photo-electron, Work function,  photo electric effect Photo cell Einstein photo electric equation. Stopping potential, Threshold Frequency. Principle of solar photo-voltaic cell and its uses. Semiconductor: Energy band in solids (Idea). Distinction between conductor, insulators & semi-conductors in terms of energy band diagram, Intrinsic and extrinsic (P-type; N-type) semiconductor,P – N junction diode, depletion region, potential barrier. Forward  and  reverse biasing; Forward  and  reverse  bias  characteristic curve. Application of P-N junction diode



(Note: 10 L Hrs. can be used  for assessment and evaluation of students on each module.)
PRACTICAL:
Suggested list of experiments:
1.       To determine refractive index of the material of glass slab by pin method.
2.       To determine the focal length of a concave mirror by u , v   method
3.       To determine the focal length of the convex lens by u , v   method
4.       To plot magnetic lines of force of a bar magnet with North Pole pointing north and to locate the neutral points & measure  the magnetic length
5.       To plot magnetic lines of force of a bar magnet with South Pole pointing north and to locate the neutral points & measure the magnetic length.
6.       To verify Ohm’s law by ammeter and Voltmeter method with —
(a)Series connection of resistances;
                (b)Parallel connection of resistances.
7.       To measure the unknown resistance / resistivity of the material of a wire by meter Bridge
8.       To measure the unknown resistance of the material of a wire by P. O. box.

SUGGESTED LEARNING RESOURCES:
Reference Books:
1.       Principle of Physics – Subrahmanyan&Brizal
2.       Intermediate Physics – S.C.RoyChaudhury&D.B.Sinha
3.       Fundamentals of Physics – David Halliday, Robert  Resnick&JealWalka
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 II) – C. R. Dasgupta
7.       Elements of   Higher Secondary Physics (Part II) -  D. Dutta, B. Pal & B. Chaudhuri
8.       Physics   (Volume II) - AjoyChakraborty
9.       Applied Physics (Vol. II) - Saxena H.C. & Singh Prabhakar
10.   Physics for 10+2 students (Part II) - Das, S.K, Sisodia M.L, Neher P.K.,  Kachhawa C.M.