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Can you please give me the Sathyabhama University B.E/B.Tech-1st Semester Applied Physics previous years question papers as it is very urgent for me?
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As you want to get the Sathyabhama University B.E/B.Tech-1st Semester Applied Physics previous years question papers so here is the information of the same for you: PART – A (10 x 2 = 20) Answer ALL the Questions 1. Define conduction of a solid. 2. What are the differences between natural and forced convection? 3. State the principle of superposition. 4. Fringes of equal thickness are observed in a thin air wedge. The fringe spacing is 1.5mm and wavelength of light is 5800Å. Calculate the angle of wedge. 5. Define sound intensity level (SIL). 6. Define threshold of audibility and threshold of pain. 7. Derive expressions for the mass and the mean density of the earth. 8. Define stress and strain. 9. What are continuous X-rays? 10. State Moseley’s law. Name few elements which were discovered using Moseley’s law. PART – B (5 x 12 = 60) Answer ALL the Questions 11. Describe with relevant theory and experiment to determine the thermal conductivity of a good conductor by Forbe’s method. Discuss its merits and demerits. (or) 12. What is meant by pyrometry? Describe the disappearing filament pyrometer. List out its merits and demerits. 13. Explain in detail the interference in thin films and derive the expression for the band width due to the transmitted light. (or) 14. Explain the production and detection of plane, circularily and elliptically polarized light. 15. Define reverberation and reverberation time. Derive Sabine’s formula for reverberation time by stating the assumptions and limitations. (or) 16. Define Magnetostriction effect. Explain in detail the magnetostriction method of producing ultrasonic waves with a neat diagram. 17. Derive an expression for gravitational potential and field due to a spherical shell. (or) 18. Explain how torsional pendulum is used to find the rigidity modulus of a given wire. 19. Explain the theory of Compton effect and show that the Compton wavelength depends upon the angle of scattering. (or) 20. Solve Schroedinger’s equation for the particle in a one dimensional box and obtain the eigen values and eigen functions. Answer ALL the Questions 1. Mention the different modes of heat transfer. 2. Define the coefficient of thermal conductivity. 3. Define the term “Coma” 4. What is meant by f-number in a camera? 5. Define sound absorption coefficient of a material. 6. Calculate the increase in the acoustic intensity level, when the sound intensity is doubled. 7. What is a Cantilever? 8. What is meant by the bending moment of a beam? 9. Mention any two properties of matter waves. 10. State De Broglie’s equations. PART – B (5 x 12 = 60) Answer All the Questions 11. Explain the experimental determination of thermal conductivity of a bad conductor by Lee’s Disc method. (or) 12. Explain the process of heat conditions in a compound media arranged in parallel. 13. What is meant by aberration in lenses? Explain in detail the different types of aberrations in lenses. (or) 14. What is meant by achromatism in lenses? Determine the condition for achromatism of two lenses placed in contact. 15. Explain in detail, the various factors which affect the acoustics of building and mention their remedy. (or) 16. Derive Sabine’s equation for reverberation time. 17. Derive an expression to find the depression in a cantilever fixed at one end and loaded at the other end. (or) 18. How will you determine the Young;s modulus of a given cantilever statically, when the beam is loaded in the center. 19. Derive the Schrodinger time independent and time dependent wave equation. (or) 20. Explain with a neat sketch, the experimental verification of matter waves using Davission – Germar experiment. Contact Details: Sathyabama University Rajiv Gandhi Road, Jeppiaar Nagar, Sholinganallur, Chennai, Tamil Nadu 600119 044 2450 3150 India Map Location:
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The previous year question paper of B.E/B.Tech-1st Semester Applied Physics subject offered by Sathyabhama University as you need it for preparation is as follows: PART – A (10 x 2 = 20) Answer All the Questions 1. Define term Coefficient of Thermal Conductivity. 2. Give the reasons for the Higher Thermal Conductivity of metals. 3. What is meant by the Power of a Lens? 4. What is Chromatic Aberation? 5. State Weber-Fechner law. 6. Define intensity of Sound. What is its units? 7. Define bending moment of a beam. 8. Define uniform bending and non-uniform bending of a beam. 9. What are Matter waves? 10. State the Physical significance of the wave function. PART – B (5 x 12 = 60) Answer All the Questions 11. Describe the Forbe’s method to determine the Thermal Conductivity of good conductors. (or) 12. Describe Lee’s Disc method for finding the thermal Conductivity of the bad conductor. 13. Discuss the conditions for Achromatism of two lenses in contact an the two lenses separated by a distance. (or) 14. Explain the Spherical aberration. How this defect can be minimized in lenses? 15. Derive Sabine’s formula for reverberation Lime. (or) 16. Write an essay on the factors affecting acoustics of building and their remedy. 17. If one end of the Cantilever is fixed and a loud is applied to the other end, Calculate the depression at the free end. (or) 18. Describe an experiment to determine Young’s modulus of a beam by Uniform bending. 19. Describe the Davission and Germer’s experiment on electron diffraction. (or) 20. Describe Schrödinger Time independent wave equations.
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