# NIT Jalandhar Syllabus

# Engineering Physics

PH-101 PHYSICS (3 1 0 4)

1. Electrostatics: Gradient of a scalar, divergence and curl of a vector, Gauss’s law and its applications; electric potential and electric field (in vector form); potential due to a monopole, dipole and multipoles (multipole expansion); work and energy in electrostatics; dielectrics; polarization, electric displacement, susceptibility & permittivity, Clausius Mossotti equation.

2. Magnetostatics and Electrodynamics: Lorentz Force Law; magnetic field of a steady current (Biot – Savart law); ampere’s law and its applications; ampere’s law in magnetized materials; electromotive force; Faraday’s law; maxwell’s Equations, Wave Equation.

3. Lasers: Spontaneous and stimulated emission; Elnstein’s coefficients, population inversion and optical pumping; three and four-level lasers; Ruby, He-Ne, Nd: Yag, CO2, semiconductor lasers. Industrial and medical applications of lasers.

4. Theory of Relativity: Invariance of an equation and concept of ether; Micheison Morley experiment; Einstein’s postulates and Lorentz transformation equations, length, time and simultaneity in relativity; addition of velocity, variation of mass with velocity, mass-energy relation, energy-momentum relation.

5. Quantum Theory: The Compton effect; matter waves; group and phase velocities, Uncertainty

principle and its application; time independent and time dependent Schrödinger wave equation; Eigen values and Eigen functions; Born’s interpretation and normalization of wave function, orthogonal wave functions; applications of Schrödinger wave equation (particle in a box and harmonic oscillator).

6. Radioactivity: Radioactive Decay, Half-Life, Radiometric Dating, Radioactive Series, Alpha Decay Beta Decay, Gamma Decay, Radiation Hazards, Uses of Radio-Isotopes. Nuclear Fission, Nuclear Fusion, Nuclear reactions, Laws of nuclear reactions, Nuclear energy. Different types of nuclear reactors.

Text Books:

1. Griffiths, D “Introduction to Electrodynamics” 2nd Ed., Prentice Hall of India, New Delhi (1998).

2. Thyagarajan, K and Ghatak A.K., “Lasers, – Theroy and Applications”, Macmilan India Ltd., New Delhi, (2000).

3. Beiser, “Perspective of Modem Physics” 5 th Ed., McGraw Hill KOGAKUSHA Ltd., New Delhi, (2002).

Reference Books:

1. Arya, A.P. “Elementary Modem Physics” Addison –Wesley, Singapore, 1974.

2. Mani, H.S. and Mehta G.K. “Introduction to Modem Physics”, Affiliated East West Press, New Delhi, 1991.

3. Milonni P.W and Joseph Eberly J.H. “Lasers” John Wiley and Sons, Singapore, 1991. PH-102

PHYSICS LABORATORY

LIST OF EXPERIMENTS

1. To verify the laws of vibrating strings by Melde’s experiment that is to show that =?T2 constant.

2. To determine the frequency of AC Mains by using a sonometer and an electro-magnet.

3. To determine the impedance of A.C. Circuits.

4. To study the characteristics of PN diode and Zener diode.

5. To find out the intensity response of a solar cell/Photo diode.

6. To analyze the suitability of a given Zener diode as a power regulator.

7. To determine the band gap of a semiconductor.

8. To determine the Refractive index of the Prism material using spectrometer.

9. To determine the wavelength using Fresnel’s Biprism/Diffraction grating.

10. To determine the wavelength of sodium light using Newton’s ring method.

11. To determine the specific rotation of sugar using Laurent’s half-shade polari meter.

12. To determine the velocity of ultrasonic waves in liquids.

13. To study the effect of voltmeter resistance on voltage measurement.

14. To study the variation of magnetic field with distance along the axis of a circular coil carrying

current and its estimate the radius of the coil.

15. To determine the Laser Parameters like divergence, wavelength etc. for a given laser source.

Recommended Books:

1. Dr. R.S. Sirohi, Practical Physics, Wiley Eastern, New Delhi.