Physics and Chemistry Laboratory

BS3171

PHYSICS AND CHEMISTRY LABORATORY

PHYSICS LABORATORY: (Any Seven Experiments)

COURSE OBJECTIVES:

• To learn the proper use of various kinds of physics laboratory equipment.

• To learn how data can be collected, presented and interpreted in a clear and concise manner.

• To learn problem solving skills related to physics principles and interpretation of experimental data.

• To determine error in experimental measurements and techniques used to minimize such error.

• To make the student as an active participant in each part of all lab exercises.

1. Torsional pendulum - Determination of rigidity modulus of wire and moment of inertia of regular and irregular objects.

2. Simple harmonic oscillations of cantilever.

3. Non-uniform bending - Determination of Young's modulus

4. Uniform bending - Determination of Young's modulus

5. Laser-Determination of the wave length of the laser using grating

6. Air wedge - Determination of thickness of a thin sheet/wire

7. a) Optical fibre -Determination of Numerical Aperture and acceptance angle

b) Compact disc- Determination of width of the groove using laser.

8. Acoustic grating- Determination of velocity of ultrasonic waves in liquids.

9. Ultrasonic interferometer - determination of the velocity of sound and compressibility of liquids

10. Post office box -Determination of Band gap of a semiconductor.

11. Photoelectric effect

12. Michelson Interferometer.

13. Melde's string experiment

14. Experiment with lattice dynamics kit.

TOTAL: 30 PERIODS

COURSE OUTCOMES:

Upon completion of the course, the students should be able to

• Understand the functioning of various physics laboratory equipment.

• Use graphical models to analyze laboratory data.

• Use mathematical models as a medium for quantitative reasoning and describing physical reality.

• Access, process and analyze scientific information.

• Solve problems individually and collaboratively.

CHEMISTRY LABORATORY: (Any seven experiments to be conducted)

COURSE OBJECTIVES:

• To inculcate experimental skills to test basic understanding of water quality parameters, such as, acidity, alkalinity, hardness, DO, chloride and copper.

• To induce the students to familiarize with electroanalytical techniques such as, pH metry, potentiometry and conductometry in the determination of impurities in aqueous solutions.

• To demonstrate the analysis of metals and alloys.

• To demonstrate the synthesis of nanoparticles

1. Preparation of Na₂CO₃ as a primary standard and estimation of acidity of a water sample using the primary standard

2. Determination of types and amount of alkalinity in water sample. Split the first experiment into two

3. Determination of total, temporary & permanent hardness of water by EDTA method.

4. Determination of DO content of water sample by Winkler's method.

5. Determination of chloride content water sample by Argentometric method.

6. Estimation of copper content of the given solution by lodometry.

7. Estimation of TDS of a water sample by gravimetry.

8. Determination of strength of given hydrochloric acid using pH meter.

9. Determination of strength of acids in a mixture of acids using conductivity meter.

10. Conductometric titration of barium chloride against sodium sulphate (precipitation titration)

11. Estimation of iron content of the given solution using potentiometer.

12. Estimation of sodium /potassium present in water using flame photometer.

13. Preparation of nanoparticles (TiO2/ZnO/CuO) by Sol-Gel method.

14. Estimation of Nickel in steel

15. Proximate analysis of Coal

TOTAL: 30 PERIODS

COURSE OUTCOMES:

• To analyse the quality of water samples with respect to their acidity, alkalinity, hardness and DO.

• To determine the amount of metal ions through volumetric and spectroscopic techniques

• To analyse and determine the composition of alloys. NOWLEDGE

• To learn simple method of synthesis of nanoparticles

• To quantitatively analyse the impurities in solution by electroanalytical techniques

TEXT BOOK:

1. J. Mendham, R. C. Denney, J.D. Barnes, M. Thomas and B. Sivasankar, Vogel's Textbook of Quantitative Chemical Analysis (2009).