Physics 0625 · IGCSE · Thermal properties and temperature

Thermal properties and temperature — practice question

A chef warms water in a pan placed on a hotplate. In time $t$, the temperature of the water increases by $10^\circ\text{C}$. She then places the same volume of oil into an identical pan on the same hotplate. The specific heat capacity of water is $2.5$ times that of oil, and water is $1.1$ times denser than oil. What time is needed for the temperature of the oil to rise by $10^\circ\text{C}$?

  • A$0.36t$
  • B$0.44t$
  • C$2.3t$
  • D$2.8t$

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