Page 25 - CatalogNEP-PS

Newton‘s Rings: measurement of wavelength and refractive index. Michelson‘s Interferometer.
Diffraction: Fraunhofer diffraction: Single slit; Double Slit. Multiple slits & Diffraction grating,
Dispersive power of diffraction grating, Fresnel Diffraction: Half-period zones. Zone plate.
Fresnel Diffraction pattern of a straight edge, a slit and a wire using half-period zone analysis.
Polarization: Transverse nature of light waves. Unpolarized and plane polarized light,production
of polarized light, Wire grid polarizer, Polaroid, Effect of intensity of light passing through
Polaroid, Malus‘ law, double refraction; ordinary ray and extraordinary ray, positive and negative
crystals, birefringence, Nicol Prism, quarter wave plate and half wave plate,Polarization by
reflection (Brewster law), polarization by scattering,. Circular and elliptical polarization,
production of elliptically polarized and circularly polarized light.

PRACTICAL(30 Hours)

Every student must perform at least 6 experiments from the following list.
1. To investigate the motion of coupled oscillators.
2. To determine the Refractive Index of the Material of a given Prism using Sodium Light.
3. To determine Dispersive Power and Resolving power of the Material of a given
Prismusing Mercury Light.
4. To determine the value of Cauchy Constants of a material of a prism.
5. To determine wavelength of sodium light using Fresnel Bi prism.
6. To determine wavelength of sodium light using Newton‘s Rings.
7. To determine the wavelength of Laser light using Diffraction of Single Slit.
8. To determine wavelength of (1) Sodium & (2) spectrum of Mercury light using plane
diffraction Grating.
9. To determine the Resolving Power of a Plane Diffraction Grating.
10. To measure the intensity using photo sensor and laser in diffraction patterns of single
and double slits.
11. To find the refractive index of glass slab using travelling microscope
12. To find the refractive index of water using travelling microscope
13. To determine the magnifying power of a telescope.
14. To determine the specific rotation of sugar using Laurent‘s half-shade polarimeter.
15. Plot a graph between the concentration and rotation for various strengths of
sugarsolution and hence find (a) the specific rotation and (b) the concentration of the
givensugar solution.

SUGGUESTED READINGS:

1. A text book of Optics, N. Subrahmanyam, B. Lal, M.N. Avadhanulu, S. Chand
&Company Ltd.
2. Fundamentals of Optics, F A Jenkins and H E White, 1976, McGraw-Hill.
3. Principles of Optics, B.K. Mathur, 1995, Gopal Printing.
4. Fundamentals of Optics: Geometrical Physical and Quantum, D. R. Khanna, H. R.Gulati
R. Chand Publication.
5. Optics, Eugene Hecht, Addison-Wesley 2002.
6. The Physics of Waves and Oscillations by N.K. Bajaj (Tata McGraw-Hill, 1988)
7. Fundamentals of Waves and Oscillations By K. Uno Ingard (Cambridge University Press,
1988)
8. An Introduction to Mechanics by Daniel Kleppner, Robert J. Kolenkow (McGraw-Hill,
1973)
9. Waves: BERKELEY PHYSICS COURSE by Franks Crawford (Tata McGrawHill, 2007).

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