Why does loft insulation have a layer of silver foil?Light, shiny surfaces reflect more IR away from the loft, keeping it warmerLight, shiny surfaces reflect more IR away from the loft, keeping it coolerLight, shiny surfaces reflect more IR towards the loft, keeping it coolerLight, shiny surfaces reflect more IR towards the loft, keeping it warmer

Why are car covers silver?Light, shiny surfaces reflect more IR away from the car, keeping it cooler.Light, shiny surfaces reflect more IR towards the car, keeping it warmer.Light, shiny surfaces reflect more IR towards the car, keeping it cooler.Light, shiny surfaces reflect more IR away from the car, keeping it warmer.

Why are emergency blankets silver?Light, shiny surfaces reflect more IR towards the patient, keeping them coolerLight, shiny surfaces reflect more IR away from the patient, keeping them coolerLight, shiny surfaces reflect more IR towards the patient, keeping them warmerLight, shiny surfaces reflect more IR away from the patient, keeping them warmer

The image below shows a sphere which is at a much higher temperature than its surroundings.Energy is transferred from the sphere to its surroundings.The surface of the sphere is coated with four different colours. The colours are: matt black, shiny black, matt white and shiny silver.The initial and final temperatures of the surroundings, after 5 minutes, are recorded and displayed in the table.Which surface coating is shiny silver?ACBD

Which of the following is not a common type of insulation material?a) Mineral woolb) Reflective foilsc) Wooden shinglesd) Foam insulation

Why are houses in hot countries painted light colours?Light, shiny surfaces reflect more IR away from the house, keeping it warmer.Light, shiny surfaces reflect more IR away from the house, keeping it cooler.Light, shiny surfaces reflect more IR towards the house, keeping it warmer.Light, shiny surfaces reflect more IR towards the house, keeping it cooler.