Unit I: Physical World and Measurement


27 oct. 2013 (il y a 4 années et 8 mois)

69 vue(s)

Unit I: Physical World and Measurement




units. Length, mass and time
measurements; accuracy and precision of measuring instruments;

errors in measurement; significant figures.

Dimensions of physical quantities, dimensional analysis and its applications.

Unit II: Kinematics

Frame of reference, Motion in a straight line: Pos
time graph, speed and velocity.

Elementary concepts of differentiation and intergration for describing motion.Uniform and


time graphs.

elation for uniformly accelerated motion (graphical treatment).



Relative velocity.

Unit vector; Resolution of a vector in a plane

rectangular components. Scalar and Vector


motion. Uniform circular motion.

Unit III
: Laws of Motion



momentum and its applications.

Equilibrium of concurrent f
orces. Static and kinetic friction, laws of friction, rolling friction,



level circular road, vehicle on banked road).

Unit IV: Work, Energy and Pow

energy theorem,



mechanical energy (kinetic and potential energies);
conservative forces: motion in a vertical

circle; elastic and inelastic collisions in one and two dimensions.

Unit V: Motion of System of Particles and Rigid Body

Centre of mass of a two
particle system, momentum conservation and centre of mass motion




Equilibrium of rigid bodies, rigid body rotation and equations of rotational motion, comparis



and perpendicular axes theorems and their applications.

Unit V
: Thermodynamics



Second law of thermodynamics: reversible and irreversible processes. Heat eng
ines and


: Oscillations and Waves

Periodic motion



restori ng

force and force

constant; energy i n S.H.M. Ki neti c and potenti al energi es; si mpl e pendul um

deri vati on of expressi on for i ts ti me peri od; free and forced and damped osci l l ati ons (qual i tati ve

i deas onl y), resonance.

Wave moti on. Transverse and l ongi tudi nal waves, speed of

wave moti on. Di spl acement rel ati on

for a progressi ve wave. Pri nci pl e of superposi ti on of waves, refl ecti on of waves, standi ng waves

i n stri ngs and organ pi pes, fundamental mode and harmoni cs, Beats, Doppl er effect.

: Current Electricity

El ectri c
current, f l ow of el ectri c charges i n a metal l i c conductor, dri f t vel ocity, mobil ity and thei r

rel ati on wi th el ectric current; Ohm’ s l aw, el ectrical resi stance, V
I characteri sti cs ( l inear and

l i near), el ectri cal energy and power, el ectrical resi stivit
y and conducti vity. Carbon resi stors,

col our code f or carbon resi stors; seri es and paral l el combi nations of resi stors; temperature

dependence of resistance.


and in parallel.

Kirchhoff’s laws and simple applications. Wheatstone bridge, metre bridge.


principle and its applications to measure potential difference and for comparing


: Magnetic Effects of Current and Magnetism

Concept of magnetic field, Oersted’s experiment.


Savart law and its application to current carrying circular loop.

toroidal solenoids,


Force on a current
carrying conductor in a uniform magnetic field. Force between two parallel

carrying conductors
definition of ampere. Torque experien
ced by a current loop in uniform

magnetic field; moving coil galvanometer
its current sensitivity and conversion to ammeter and



revolving electron. Mag
netic field intensity due to a magnetic dipole (bar magnet) along its axis and


magnet as an equivalent solenoid, magnetic field lines; Earth’s magnetic fie
ld and magnetic elements.

, dia

and ferro

magnetic substances, with examples. Electromagnets and factors affecting

their strengths. Permanent magnets.

: Electromagnetic Induction and Alternating Currents


Self and mutual induction.


LC oscillations (qualitative treatme
nt only), LCR series circuit, resonance; power in AC circuits,

wattless current.

AC generator and transformer.

: Electromagnetic waves


only). Transver
se nature of electromagnetic waves.

rays, gamma

rays) including elementary facts about their uses.

: Optics

Reflection of light, spherical mirrors, mirror formula.

Refraction of light, total internal reflection


of a l
ens and a mirror. Refraction and dispersion of light through a prism.

Scattering of light


Optical instruments : Human eye, image formation and accommodation correction of eye

fects (myopia, hypermetropia) using lenses. Microscopes and astronomical telescopes

(reflecting and refracting) and their magnifying powers.

Wave optics: Wave front and Huygen's principle, relection and refraction of plane wave at a

plane surface using wav
e fronts. Proof of laws of reflection and refraction using Huygen's principle.

Interference Young's double slit experiment and expression for fringe width, coherent sources

and sustained interference of light. Diffraction due to a single slit, width of cen
tral maximum.

Resolving power of microscopes and astronomical telescopes. Polarisation, plane polarised

light Brewster's law, uses of plane polarised light and Polaroids.