23UPHYE25 Physics – II Syllabus:

23UPHYE25 Physics – II Syllabus – Annamalai University UG Syllabus Regulation 2023-24

COURSE OBJECTIVES

To understand the basic concepts of optics, modern Physics, concepts of relativity and quantum physics, semiconductor physics, and electronics.

COURSE DETAILS

UNIT-I:

OPTICS: interference – interference in thin films –colors of thin films – air wedge – determination of diameter of a thin wire by air wedge – diffraction – diffraction of light vs sound – normal incidence – experimental determination of wavelength using diffraction grating (no theory) – polarization – polarization by double reflection – Brewster’s law – optical activity – application in sugar industries

UNIT-II:

ATOMIC PHYSICS: atom models – Bohr atom model  – mass number – atomic number – nucleons – vector atom model – various quantum numbers – Pauli’s exclusion principle – electronic configuration – periodic classification of elements – Bohr magneton – Stark effect –Zeeman effect (elementary ideas only) – photo electric effect – Einstein’s photoelectric equation – applications of photoelectric effect: solar cells, solar panels, optoelectric devices

UNIT-III:

NUCLEAR PHYSICS:  nuclear models – liquid drop model – magic numbers – shell model – nuclear energy – mass defect – binding energy – radioactivity – uses – half life – mean life – radio isotopes and uses –controlled and uncontrolled chain reaction – nuclear fission – energy released in fission – chain reaction – critical reaction – critical size- atom bomb – nuclear reactor – breeder reactor – importance of commissioning  PFBR in our country – heavy water disposal,  safety of reactors: seismic and floods –introduction to DAE,  IAEA – nuclear fusion – thermonuclear reactions – differences between fission  and fusion.

UNIT-IV:

INTRODUCTION TO RELATIVITY AND GRAVITATIONAL WAVES: frame of reference – postulates of special theory of relativity – Galilean transformation equations – Lorentz transformation equations – derivation – length contraction – time dilation – twin paradox – mass-energy equivalence –introduction on gravitational waves, LIGO, ICTs opportunities at International Centre for Theoretical Sciences

UNIT-V:

SEMICONDUCTOR PHYSICS: p-n junction diode – forward and reverse biasing – characteristic of diode – Zener diode – characteristic of Zener diode – voltage regulator – full wave bridge rectifier – construction and working – advantages (no mathematical treatment) – USB cell phone charger –introduction to e-vehicles and EV charging stations

TEXT BOOKS:

  • Murugesan (2005), Allied Physics, S. Chand & Co, New Delhi.
  • Thangaraj and D. Jayaraman (2004), Allied Physics, Popular Book Depot, Chennai.
  • Brijlal and Subramanyam (2002), Textbook of Optics, S. Chand & Co, New Delhi.
  • Murugesan (2005), Modern Physics, S. Chand & Co, New Delhi.
  • A. Subramaniyam Applied Electronics, 2nd Edn., National Publishing Co., Chennai.

REFERENCEBOOKS

  • Resnick Halliday and Walker (2018), Fundamentals of Physics, 11th , John Willey and Sons, Asia Pvt. Ltd., Singapore.
  • R. Khanna and H .R. Gulati (1979).Optics, S. Chand & Co. Ltd., New Delhi.
  • Beiser (1997), Concepts of Modern Physics, Tata McGraw Hill Publication, New Delhi.
  • Thomas L. Floyd (2017), Digital Fundamentals, 11th , Universal Book Stall, New Delhi.
  • V. K. Metha (2004), Principles of electronics, 6th Edn.  , S. Chand and Company, New Delhi.