BSc CSIT (TU) Science Physics (BSc CSIT, PHY113) Question Paper 2075
This is the official BSc CSIT (TU) (Science stream) Physics (BSc CSIT, PHY113) question paper for 2075, 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 2075 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
What is diffraction grating? Derive the grating equation and explain how it is used to determine the wavelength of light.
Derive the expression for the energy stored in a charged capacitor and the energy density of an electric field.
Discuss the formation of Newton's rings. Derive expressions for the diameters of bright and dark rings and explain how the wavelength of light is determined.
Section B: Short Answer Questions
Attempt any EIGHT questions.
State Huygens' principle.
Derive the relation between electric field and potential.
Explain Ampere's circuital law.
Distinguish between single-mode and multi-mode optical fibers.
Define damped harmonic oscillation and write its equation.
State Gauss's law in dielectrics.
What are the properties of laser light?
Explain the working of a step-index fiber.
Write short notes on the resolving power of a grating.