BSc CSIT (TU) Science Physics (BSc CSIT, PHY113) Question Paper 2078
This is the official BSc CSIT (TU) (Science stream) Physics (BSc CSIT, PHY113) question paper for 2078, 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 2078 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Discuss Fraunhofer diffraction at a single slit and derive the condition for minima and maxima. Obtain the expression for the intensity distribution.
Define electric potential. Derive the expression for the electric potential due to an electric dipole at any point.
Explain the principle, construction and working of an optical fiber as a communication medium. Discuss its advantages over conventional systems.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Explain the conditions for sustained interference of light.
Define dielectric constant and polarization.
State Lenz's law and explain its significance.
Distinguish between LED and LASER.
Write the differential equation of damped oscillation and define the quality factor.
State Gauss's divergence theorem.
Explain the formation of colours in thin films.
Define attenuation and dispersion in optical fibers.
Write short notes on Maxwell's equations.