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More cards in this set
Card 26
Front
Why is the colour of laser light used in endoscope matched with the tissue type?
Back
Card 27
Front
Describe how eye surgery on the retina is carried out by laser light?
Back
Card 28
Front
What do converging lenses do to light rays?
Back
Card 29
Front
What is the focal length?
Back
Card 30
Front
IF the object is further away from than the lens than the principal focus, what type of image is formed?
Back
Card 31
Front
If the obhect is nearer the the lens than the focal point, what is the image formed?
Back
Card 32
Front
What do diverging rays do to rays of light?
Back
Card 33
Front
What is the image produced in a diverging lens?
Back
Card 34
Front
What is the difference between virtual and real images?
Back
Card 35
Front
What is the line through the centre of the lens called?
Back
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