BSc CSIT (TU) Science Physics (BSc CSIT, PHY113) Question Paper 2074
This is the official BSc CSIT (TU) (Science stream) Physics (BSc CSIT, PHY113) question paper for 2074, as set in the regular annual examination. It carries 60 full marks and a time allowance of 180 minutes, across 12 questions. On Kekkei you can attempt this Physics (BSc CSIT, PHY113) past paper online with a timer, get instant AI feedback and step-by-step solutions, and track the topics where you lose marks — completely free. Whether you are revising for your BSc CSIT (TU) Physics (BSc CSIT, PHY113) exam or solving previous years' question papers, this 2074 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
What is interference of light? Derive the conditions for constructive and destructive interference in Young's double-slit experiment and obtain the expression for fringe width.
State Gauss's law. Using it, derive expressions for the electric field due to a uniformly charged infinite plane sheet and a charged spherical shell.
What is a laser? Explain the principle of stimulated emission, population inversion and the construction and working of a He-Ne laser.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Distinguish between Fresnel and Fraunhofer diffraction.
Define capacitance. Derive the capacitance of a parallel plate capacitor with a dielectric.
State and explain Biot-Savart law.
What is an optical fiber? Explain its principle of total internal reflection.
Define simple harmonic motion and write its differential equation.
State Coulomb's law in vector form.
What are Newton's rings? State their application.
Explain the term acceptance angle and numerical aperture of an optical fiber.
Write short notes on the polarization of light.