____________is a million times smaller than the thickest human hair
  • Atom
  • Cell
  • Sand
  • Compound
Particles possess ___________energy due to constant random motion
  • Potential
  • Chemical
  • Kinetic
  • Electric
Which of the following is highly compressible
  • Wool
  • Milk
  • Sanitizer
  • Oxygen
Unit of Latent heat is
  • Jkg
  • kg/J
  • J/kg
  • J
The specific latent heat of fusion of ice is 336000 J/kg
  • True
  • False
During a change in state of matter, the amount of heat energy absorbed causes a change in temperature
  • True
  • False
Soft drinks are cooled faster by placing them in ice rather than in water at 0oC.
  • True
  • False
A burn caused by boiling water is more serious than a burn caused by steam.
  • True
  • False
Icebergs do not melt due to
sc-1 sb-2-Physics Matterimg_no 57.jpg
  • High latent heat of vaporisation of ice
  • Low latent heat of Fusion of ice
  • High latent heat of Fusion of ice
  • Low latent heat of vaporisation of ice
The picture is an example of
sc-1 sb-2-Physics Matterimg_no 58.jpg
  • Evaporation
  • Deposition
  • Sublimation
  • Condensation
Jack keeps a bowl of water outside in the morning, in the afternoon he realises that the level of water in the bowl has reduced. This is due to
  • Boiling
  • Freezing
  • Evaporation
  • Sublimation
This process is called
sc-1 sb-2-Physics Matterimg_no 59.jpg
  • Melting
  • Freezing
  • Sublimation
  • Deposition
If the melting point of a substance is 30oC, then it continues to remain at that same temperature until the entire process of melting is complete
  • False
  • True
Evaporation happens at a range of temperatures higher than the boiling point
  • False
  • True
Observe the change of state diagram. If the object is solid at P, Then its boiling point is
sc-1 sb-2-Physics Matterimg_no 60.jpg
  • T20C
  • T10C
  • 00C
  • None of the them
Observe the diagram again, Freezing is taking place at
sc-1 sb-2-Physics Matterimg_no 61.jpg
  • Q to R
  • S to T
  • T to S
  • R to Q
0:0:1



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