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→Key Stage 4
====Applications====
: '''Visible light''' is used for [[sight]], photography, microscopy, telescopy because it can be seen with the [[human]] [[eye]].
: '''Visible light''' can be used in [[Fibre Optics|fibre optic]] communication because it is not [[Absorb (Physics)|absorbed]] by the [[glass]] that the fibres are made from and it is [[reflection|reflected]] internally by the [[interface]] between the [[glass]] and the [[air]].
====Dangers====
: There are no dangers of '''visible light''', unless it is extremely intense in which case it could cause blindness.