Wednesday 21 February 2018

Physics homework XI-23rd Feb Friday


  1. Derive an expression for the energy stored in a charged capacitor and also find energy density.
  2. Obtain expressions for the equivalent capacitance when the capacitors are connected in series and parallel combination separately.
  3. What are polar and nonpolar dielectic?
  4. What is surface tension? Derive an expression for it using capillary rise method.
  5. Explain why the liquid drops are spherical in shape?
  6. Hot soup are tastier than cold one. Why?
  7. Why has a gas two values of molar heat capacities?
  8. What is adiabatic process? Derive an expression for the workdone in this process.
  9. What is angular magnification? Obtain it for compound microscope when final image is formed at near point.
  10. What is f-number of camera?


























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