Question Detail

Which unit we use to express Nuclear sizes ?

  • Tesla
  • Newton
  • Fermi
  • None of above
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1. David Hughes invented

  • Machine Gun
  • Microphone
  • Microscope
  • Motorcycle

2. Which instrument is used to measure sound under water ?

  • Hygrometer
  • Hygroscope
  • Hypsometer
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3. Which instrument is used to measure changes in volume of substances ?

  • Dyanamo
  • Dilatometer
  • Cyclotron
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4. Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings."

  • Doppler's Effect
  • Newton's law of cooling
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5. Which instrument is used to measure pressure of gases ?

  • Manometer
  • Machmeter
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  • Micrometer
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