Thursday, 1 February 2018

Physics homework grade XI-2nd Feb Friday


  1. What is capacitance? Derive an expression for the capacitance of a parallel plate capacitor?
  2. Why are bridges declared unsafe after a long use?
  3. Explain which one is more elastic, rubber or steel?
  4. Define different types of stress and strain.
  5. What is surface tension? Establish a relationship between surface tension and surface energy.
  6. State first law of thermodynamics.
  7. Prove that Cp -Cv =R
  8. What are Myopia and Hypermetropia? How are they corrected?












































































































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