GP Solids Fluids

Which devices is sued to measure atmospheric pressure

Which one of the following devices is sued to measure atmospheric pressure?

  1. Ammeter
  2. Barometer
  3. Potentiometer
  4. Lactometer

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Whether an object will float or sink in a liquid, depends on

Whether an object will float or sink in a liquid, depends on

  1. mass of the object only
  2. mass of the object and density of liquid only
  3. difference in the densities of the object and liquid
  4. mass and shape of the object only

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Bernoulli's principle is based on which one among the following laws

Bernoulli's principle is based on which one among the following laws

  1. Conservation of momentum
  2. Conservation of angular momentum
  3. Conservation of energy
  4. Conservation of mass

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Which of the following is not a result of surface tension

Which of the following is not a result of surface tension?

  1. Flow of a liquid
  2. Capillary rise
  3. Nearly spherical drop of rain
  4. Removal of dirt by soap or detergent

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If some object is weighed when submerged in water

If some object is weighed when submerged in water, what will happen to its weight compared to its weight in air?

  1. Increase
  2. Decrease
  3. Remain exactly the same
  4. Increase or decrease cannot be predicted

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