BSc CSIT (TU) Science Physics (BSc CSIT, PHY113) Question Paper 2077
This is the official BSc CSIT (TU) (Science stream) Physics (BSc CSIT, PHY113) question paper for 2077, 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 2077 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Explain the construction and working of a Ruby laser with an energy-level diagram.
State Gauss's law and use it to find the electric field due to a uniformly charged solid sphere at points inside and outside the sphere.
Derive the expression for the diameter of dark rings in Newton's rings experiment and explain how it is used to measure the refractive index of a liquid.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Define coherence and explain its importance in interference.
Derive the expression for capacitance of a spherical capacitor.
State Faraday's laws of electromagnetic induction.
Explain the principle of light propagation through an optical fiber.
Define forced oscillation and resonance.
State and explain Poynting's theorem.
Explain Fraunhofer diffraction at a single slit.
Define numerical aperture and derive its expression.
Write short notes on spontaneous and stimulated emission.