Thermal Physics

2.3 An aluminium block has a mass of 200g. The specific heat capacity of aluminium is 900J/(kg°C). How much energy is needed to increase the temperature of the block from 20°C to 110°C?

3.1 Diagram 1
The diagram shows a pan used for cooking food. Which row is correct for the materials used to make the base and the handle of the pan?

2.1 A solid and a gas are each given the same increase in temperature. The gas is kept at a constant pressure. Which row is correct?

1.3 The same mass of a gas is trapped in four identical cylinders. Which list gives the pressure of the gas in order from lowest to highest?

2.4 Diagram shows the apparatus to measure the specific latent heat of vaporisation of water. After water begins to boil, 110g of water is converted to steam in 120s. What is the value of the specific latent heat of vaporisation of water?

2.2 Diagram shows a liquid-in-glass thermometer. Which change to the design would result in a more sensitive thermometer?

1.3 Diagram shows two cylinders connected by a narrow tube fitted with a tap. One cylinder contains 80cm³ of gas at a pressure of 2.0×105 Pa2.0×105 Pa. What is the new pressure of the gas?

3.1 Copper plate is shiny on one side and painted dull black on the other. Why does the hand near the dull black surface feel much hotter?

3.1 Three students are planning an experiment to test thermal conduction in different materials. Which of their hypotheses are correct?

2.3 A student calculates the energy needed to raise the temperature of an aluminium block from 50°C to 60°C. Which statement about the measured energy is correct?

3.1 Thermal energy is transferred by conduction in a metal bar. Which statement is not correct?

3.1 Four cans contain the same mass of water at 90°C. Which can will cool down the fastest?

2.3 A block of aluminium of mass 2.0kg has an initial temperature of 20°C. It absorbs 7300J of thermal energy. What is the final temperature?

2.2 Which statement describes a sensitive liquid-in-glass thermometer?