W.B Joint Entrance Exam

Unit of Life

Submitted by pradipta pramanik on Sat, 02/26/2011 - 00:01

Unit of Life : Definition of life, Cell as the basic unit of life. Cell theory, Prokaryotic and Eukaryotic cell –structure and differences.

Modern Physics

Submitted by pradipta pramanik on Fri, 02/25/2011 - 20:23

Modern Physics : Bohr’s atomic model for hydrogen like atom, hydrogen spectrum, x-ray emission, Moseley’s law, wave particle duality, de Broglie’s hypothesis, photo-electric effect.
Constituents of atoms, isotopes, mass defect, mass-energy equivalence, binding energy. radioactivity - α, β, γ radiation, half life, mean life, fission, fusion.
Energy bands in solids, intrinsic and doped semiconductors, p-n junction diode, rectifier, pnp and npn transistors, common emitter characteristics.

Electromagnetic induction

Submitted by pradipta pramanik on Fri, 02/25/2011 - 20:22

Electromagnetic induction : Magnetic flux, Faraday’s laws of electromagnetic induction, Lenz’s law, self and mutual induction, , Flemings right hand rule, Alternating current, peak and rms value of alternating current; generator, D.C. motor and transformer Qualitativ