Revision: Thermal Physics Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 10 Thermal Physics - Revision Quiz Test your understanding of Thermal Physics here: 1 / 5 1) Some gas is heated in a sealed rigid container. Which of the following does not increase? the average kinetic energy of the gas molecules in the container the average distance between the gas molecules in the container the number of collisions per second by the gas molecules on the container walls the force due to the collisions between the gas molecules and the container walls 2 / 5 2) 2018 S4 EOY P1 Q18 Cups X and Y have identical shape and size and are made of the same material. The graph below shows the cooling curves of cups X and Y containing hot water and left to cool. Which statement is true? Cup X contains more water then cup Y Cup X is placed in cooler surroundings than cup Y Cup X has a dull black surface but cup Y has a smooth shiny surface There is a lid over the top of cup X but no lid over the top of cup Y 3 / 5 3) A house, built in a country with hot, sunny climate, stays cool in the day. Which materials for the exterior walls and outside colours will help keep the house coolest?" Material: Bad ConductorColour: Dark Material: Bad ConductorColour: Light Material: Good ConductorColour: Light Material: Good ConductorColour: Dark 4 / 5 4) An insulated beaker contains 300 g of water, initially at 30 ºC. Water at 100 ºC is added until the temperature of the mixture reaches 50 ºC. The specific heat capacity of water is 4.2 J/(g ºC). How much water is added? 120 g 750 g 60 g 180 g 5 / 5 5) Water is poured into four dishes. In two of the dishes the water has a small surface area and in the other two it has a large surface area. The water in two of the dishes is cool and the water in the other two is warm. From which dish does the water evaporate the quickest? C B A D Your score is Restart quiz
