BSc CSIT (TU) Science Physics (BSc CSIT, PHY113) Question Paper 2080
This is the official BSc CSIT (TU) (Science stream) Physics (BSc CSIT, PHY113) question paper for 2080, 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 2080 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Discuss the theory of Newton's rings. Derive expressions for the radii of bright and dark rings and explain the experimental determination of the wavelength of light.
State and prove Gauss's law in electrostatics. Apply it to find the field due to an infinitely long line charge.
Explain the propagation of light through an optical fiber. Derive expressions for the acceptance angle and numerical aperture, and discuss types of fibers.
Section B: Short Answer Questions
Attempt any EIGHT questions.
Explain the conditions for observing interference fringes.
Derive the energy density of an electric field.
State Ampere's law and obtain the magnetic field inside a solenoid.
What are the characteristics of laser light?
Write and solve the differential equation of simple harmonic motion.
State the differential and integral forms of Gauss's law.
Explain the diffraction grating and its resolving power.
Define total internal reflection and critical angle.
Write short notes on population inversion.