Class X

 Digital stopwatches show reading up to
  1. 3 decimal places
  2. 2 decimal places
  3. 1 decimal place
  4. 4 significant figures
Which one of these thermometers is portable as well as simple to use?
  1. Constant-volume gas thermometer
  2. Resistance thermometer
  3. Thermocouple
  4. Mercury-in-glass thermometer
Vernier Calipers have an accuracy of
  1. 0.1 cm
  2. 0.1 mm
  3. 0.1 um
  4. None of above
Lv is symbol for
  1. Latent heat of Fusion
  2. Specific Latent Heat of Vaporization
  3. Specific Latent Heat of Fusion
  4. Latent Heat of Vaporization
Two quantities that make up moment of force are
  1. Force and perpendicular distance from line of pivot
  2. Force and perpendicular distance from line of action
  3. Force and perpendicular distance from line of pivot to action of force
  4. Force and length of pivot from bottom
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