Optic Microscope Light
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science help with lenses?
13.
A microscope and a refracting telescope use __________ to produce images.
A) one concave lens
B) two concave lenses
C) two convex lenses
D) one convex lens
24.
All of the following are true about fiber optics EXCEPT
A) They carry light around sharp corners.
B) They are used for medical purposes.
C) They are used to transmit TV signals.
D) They use convex lenses.
25.
What type of mirror only produces a virtual image?
A) Concave
B) Convex
C) Plane
D) Curved
2.
A convex lens causes __________ to __________.
A) parallel light rays; diverge
B) perpendicular light rays; converge
C) parallel light rays; converge
D) fiber optic rays; diverge
Another profound answer from D Dd
13. C) The Objective and Ocular lenses
24. D) Lenses are not required - the laser beam is already focussed
25. C) The parallel rays from a flat or plane mirror can never converge to form a real image.
2. C) Convex lenses converge parallel light rays to form real images
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August 21st, 2005 in
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