What you’ll learn2 learning objectivesChoose one objective for a focused lesson, or study the complete topic.7.5.1Polarisation is a phenomenon associated with transverse waves• understand that polarisation is a phenomenon associated with transverse wavesSyllabus objective7.5.2Malus’s law (I = I0 cos2θ ) to calculate the intensity of a plane-polarised• recall and use Malus’s law (I = I0 cos2θ ) to calculate the intensity of a plane-polarised electromagnetic wave after transmission through a polarising filter or a series of polarising filters (calculation of the effect of a polarising filter on the intensity of an unpolarised wave is not required)Syllabus objective