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Related Questions

  1. A particle moves along the x-axis such that its co-ordinate (x) varies with time (t)
  2. The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
  3. The half life of radium is about 1600 year. Of 100 gram of radium existing now
  4. Cathode rays are produced when the pressure is of the order of
  5. which of the following can not be emitted by radioactive substances during their decay?