Properties Of Matter And Acoustics B.Sc Model Question Papers : alagappauniversity.ac.in

Name of the University : Alagappa University
Degree : B.Sc
Department : Physics
Subject Code/Name : Properties Of Matter And Acoustics
Semester : I
Document Type : Model Question Papers
Website : alagappauniversity.ac.in

Download Model/Sample Question Paper : Nov 2010 : https://www.pdfquestion.in/uploads/alagappauniversity.ac.in/3988.-B.Sc.PHYSICS%20CBCS.pdf

Alagappa University Properties Of Matter Question Paper

1. Define Young’s modulus.
2. What is meant by twisting couple-
3. When a bending is said to be uniform-

Related : Alagappa University Mathematical Physics-I M.Sc Model Question Papers : www.pdfquestion.in/4023.html

4. Define a cantilever.
5. Give the units and dimensions of surface tension.
6. Write down the principle of Gaede’s molecular pump.
7. State Fourier’s theorem.
8. Define noise.
9. Mention any two uses of ultrasonic waves.
10. What is meant by reverberation-

Part – B : (5 × 5 = 25)
Answer all questions.
11. a) Obtain an expression for Poisson ratio in terms of elastic constants.
(OR)
b) Describe a torsional pendulum.
12. a) Find an expression for bending moment.
(OR)
b) Discuss about the I Section griders.
13. a) Derive the expression for excess of pressure inside a cylindrical bubble.
(OR)
b) Write a note on Rotary pump.
14. a) Apply Fourier theorem to sawtooth wave.
(OR)
b) Discuss about the quality of musical tones.
15. a) Describe the production of ultrasonic waves by magnetostriction method.
(OR)
b) Enumerate the conditions of a good auditorium.

Part – C : ( 3 × 10 = 30)
Answer any THREE questions.
16. Determine rigidity modulus of a rod by using Static torsion.
17. Write an essay on cantilever oscillations.
18. Find the surface tension of a liquid by Jaeger’s method.
19. Discuss the theory of Forced vibrations and obtain the condition for Resonance.
20. Obtain Sabine’s formula.

Mechanics & Relativity

(CBCS—2008 onwards)
Time : 3 Hours
Maximum : 75 Marks
Part – A (10 × 2 = 20)
Answer ALL the questions.
1. State Coefficient of friction.
2. Define centre of gravity.
3. Define coefficient of restitution.
4. How do you find the distance of a satellite from centre of earth?
5. Define radius of gyration.
6. State law of conservation of angular momentum.
7. What is metacentric height?
8. State Bernoulli’s theorem.
9. What do you understand about addition of velocities?
10. What is time dilation?

Part – B : (5 × 5 = 25)
Answer all questions.
11. a) Find the centre of gravity of solid hemisphere.
(OR)
b) Explain the working function of friction clutch.
12. a) Determine the velocities of two smooth sphere after impact.
(OR)
b) Write down the Kepler’s law’s of Planetary motion.
13. a) Discuss the theorem of perpendicular axes to determine the moment of inertia of a whole lamina.
(OR)
b) Explain the determination of ‘g’ using compound pendulum.
14. a) Find the centre of pressure of a triangular lamina immersed in a liquid with one side of a surface, when there is no external pressure.
(OR)
b) Explain the different types of energies of a liquid in motion.
15. a) Explain the negative results of Michelson – Morley experiments.
(OR)
b) Discuss the length contraction.

Part – C : ( 3 × 10 = 30)
Answer any THREE questions.
16. Obtain the expression of centre of gravity of solid tetrahedron.
17. Define Newton’s law of gravitation. Explain the determination of gravitational constant using Boy’s method.
18. Determine the acceleration due to gravity by Kater’s pendulum.
19. Derive Euler’s equation of flow of liquid. Hence obtain the Bernoulli’s equation.
20. Explain and obtain the expression of Lorentz transformation equations.

Thermal Physics & Statistical Methods

(CBCS—2008 onwards)
Time : 3 Hours
Maximum : 75 Marks
Part – A (10 × 2 = 20)
Answer ALL the questions.
1. What is specific heat capacity?
2. Distinguish between specific heat of a gas at constant volume and constant pressure.
3. State the first law of thermodynamics.
4. Explain the significance of entropy in thermodynamic systems.
5. What is a refrigerator?
6. State the principle of adiabatic demagnetisation.
7. State Newton’s law of cooling.
8. State Planck’s law.
9. What is phase-space?
10. Define thermodynamic probability.

Part – B : (5 × 5 = 25)
Answer all questions.
11. a) State Dulong and Petit’s law and explain the variation of atomic heat of the substance with temperature.
(OR)
b) Describe Joly’s differential steam calorimeter method of determining the specific heat of a gas at constant volume.
12. a) State and prove Carnot’s theorem.
(OR)
b) Find the change in entropy in a reversible process.
13. a) Describe an experiment to find the specific heat capacity of a liquid using Newton’s law of cooling.
(OR)
b) Describe in detail a method of determining solar constant.