Tag: science & technology

Questions Related to science & technology

  1. electrons and protons

  2. electrons only

  3. protons only

  4. electrons and nuclei


Correct Option: D
  1. conversion of chemical energy into heat energy

  2. conversion of mechanical energy into nuclear energy

  3. conversion of mass into energy

  4. conversion of neutrons into protons


Correct Option: C
  1. crystallisation

  2. sublimation

  3. distillation

  4. filtration


Correct Option: C
  1. Laser beam

  2. X-rays

  3. Gamma rays

  4. Cosmic rays


Correct Option: D
  1. Leptons, Baryons, Mesons

  2. Mesons, Baryons, Leptons

  3. Baryons, Mesons, Leptons

  4. Leptons, Mesons Baryons


Correct Option: C
  1. 8500 - 9800 angstrom

  2. 7800 - 8000 angstrom

  3. 3900 - 7600 angstrom

  4. 1300 - 3000 angstrom


Correct Option: C
  1. Ra - Si method

  2. Potassium - argon method

  3. C14 method

  4. Uranium - lead method


Correct Option: A