Question 1
1 markWhat is defined as the thermal energy required to change the temperature of \(1\text{ kg}\) of a material by \(1\text{ K}\)?
GCE O-Level · Physics (6091)
Specific heat capacity: Practice Questions
5 multiple-choice questions marked as you go, and 1 written questions with worked solutions. All on Specific heat capacity.
6 questions7 marksFree, no account
Question 2
1 markSubstance X has a higher specific heat capacity than substance Y. If equal masses of X and Y at the same initial temperature are supplied with the same amount of thermal energy, which of the following is true?
Question 3
1 markA \(0.10\text{ kg}\) sample of water at \(80\text{ }^\circ\text{C}\) is mixed with \(0.20\text{ kg}\) of water at \(20\text{ }^\circ\text{C}\) in an insulated container. Assuming no heat is lost to the surroundings, what is the final equilibrium temperature of the mixture?
Question 4
1 markWhat is the definition of the specific heat capacity of a substance?
Question 5
1 markTwo different liquids, X and Y, have equal mass. They are heated by two identical heaters. The picture shows how their temperatures vary with time. What can be deduced about their specific heat capacities?
Question 6
2 marksCalculate the thermal energy required to increase the temperature of a copper block of mass \(0.50 \text{ kg}\) from \(20 ^\circ\text{C}\) to \(80 ^\circ\text{C}\).
(Specific heat capacity of copper = \(390 \text{ J / (kg } ^\circ\text{C)}\))
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