Exposure to light at night while awake, such as in shift work, may be associated with an increased risk of breast cancer and also cause sleep, gastrointestinal, mood and cardiovascular disorders. However, these effects are due disruption of the natural circadian rhythm, regardless of the type of illumination.
Splitting of light rays if it is polychromatic in nature.
Refraction is an effect that occurs when a light wave, incident at an angle away from the normal passes a boundary from one medium into another in which there is a change in velocity of the light.
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Answer:
Exposure to light at night while awake, such as in shift work, may be associated with an increased risk of breast cancer and also cause sleep, gastrointestinal, mood and cardiovascular disorders. However, these effects are due disruption of the natural circadian rhythm, regardless of the type of illumination.
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