Lesson
Lesson-10.1.1-know that light waves are transverse waves and that they can be reflected and refracted.
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Lesson-9.1.7- explain the detrimental effects of excessive exposure of the human body to electromagnetic waves, including: ??? ultraviolet: damage to surface cells and blindness ??? gamma rays: cancer, mutation and describe simple protective measures against the risks.PreviousLesson-10.1.2-use the law of reflection (the angle of incidence equals the angle of reflection). draw ray diagrams to illustrate reflection and refraction.Next