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3 Cards in this Set
- Front
- Back
What is an ion |
An atom or molecule that gains or loses and electron |
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What is the law of reflection |
The angle of reflection is equal to the angle of incidence |
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What is far sighted ness, near sighted ness, presbyopia and astigmatism |
Far sightedness: can only see distant objects Near sightedness: can only see close oblects Presbyopia: far sightedness caused by loss of elasticity Astigmatism: a defect in the eye caused by a misshapen eyeball |