General Science - 02

01. Isotopes are separated by:

  • 1Crystallisation
  • 2Sublimation
  • 3Distillation
  • 4Filtration

02. In an atomic explosion, enormous energy is released which is due to

  • 1Conversion of chemical energy into heat energy
  • 2Conversion of mechanical energy into nuclear energy
  • 3Conversion of mass into energy
  • 4Conversion of neutrons into protons

03. Atoms are composed of:

  • 1Electrons and protons
  • 2Electrons only
  • 3Protons only
  • 4Electrons and Nuclei

05. Knot is a unit of speed of which of the following?

  • 1Aeroplane
  • 2Light waves
  • 3Ship
  • 4Sound waves

06. Nautical mile is a unit of distance used in:

  • 1Navigation
  • 2Road mile
  • 3Astronomy
  • 4Measuring the boundaries of a nation

07. A chronometer measures:

  • 1Colour contrast
  • 2Sound waves
  • 3Time
  • 4Water waves

08. Kilowatt is a unit to measure:

  • 1Work
  • 2Power
  • 3Electricity
  • 4Current

09. One Joule is equal to

  • 1105 ergs
  • 2103 ergs
  • 3107 ergs
  • 41011 ergs

10. 'Bar' is the unit of

  • 1Temperature
  • 2Heat
  • 3Atmospheric pressure
  • 4Current
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