Leadership

Physics

Eight Standard

Test your understanding of this lesson Latent heat:-

1)
What happens with the exchange of latent heat-
  • What happens with the exchange of latent heat- Temperature rises
  • Temperature remains constant
  • Temperature decreases
  • Rise or fall in temperature depends on Latent heat absorption or emission
2)
Unit of latent heat-
  • cal/gm
  • \(cal/cm^{3}\)
  • cal
  • cal.gm
3)
Latent heat is required to-
  • Increase temperature
  • Decrease Temperature
  • (a) or (b) depending on heat absorption or emission
  • Change the state without changing temperature
4)
Increase in Pressure causes the boiling point of a liquid to-
  • increase
  • remains unchanged
  • decrease
  • unpredictable
5)
The presence of solid particle of a foreign material in a liquid affects the freezing point such that it-
  • Increases
  • decreases
  • remains constant
  • unpredictable
Hand draw

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