Related Questions

  1. An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
  2. If an A.C. mains supply is given to be 220 V, what would be the average e.m.f.
  3. The angle of incidence at which reflected light is totally polarised for refraction
  4. If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
  5. A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined