This practical investigates the amount of infrared radiation absorbed or emitted by a surface., A Leslie cube is a metal cube with four different types of surface. , It is filled with hot water to increase its temperature., Once filled leave it for one minute to allow the surfaces to reach the temperature of the water., An infrared detector is then used to measure the amount of heat radiated by each surface., Black surfaces usually radiate more heat than white or silver colored surfaces., Results for this experiment would be plotted onto a bar chat as its categoric data., You must be careful during this experiment to avoid burning or scalds from the hot water., You also need to be sure to keep your detector equal distances from each surface. , This is to ensure your results are reliable.,

Leslie Cube Practical

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