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Physics

Ten Standard

Test your understanding of this lesson Linear expansion:-

1)
The SI unit of linear expansion coefficient is
  • \(\circ_{C^{-1}}\)
  • \(k^{-1}\)
  • \(m/\circ_{C}\)
  • \(m/k\)
2)
Application of heat may occur
  • change of state
  • change of temperature
  • expansion of body
  • above all
3)
The heat which can change the temperature of a body
  • latent heat
  • expanding heat
  • sensible heat
  • above all
4)
If \(L_{0}\) and \(L_{t}\) be the length of a solid rod at \(0^{0}c\) and \(t^{0}c\) respectively, coefficient of linear expansion of the solid is
  • \(L_{t}\) - \(L_{0}\)
  • \(\frac{L_{t} -L_{0}}{t}\)
  • \(\frac{L_{t} -L_{0}}{L_{0}}\)
  • \(\frac{L_{t} -L_{0}}{L_{0}t}\)
5)
\(\circ_{C^{-1}}\) is the CGS unit of
  • linear expansion coefficient
  • superficial expansion coefficient
  • volume expansion coefficient
  • above all
Hand draw

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