Ch. 19-Part 2 Question Preview (ID: 30962)


Light, Mirrors, And Lenses. TEACHERS: click here for quick copy question ID numbers.

An object which only allows some light to pass through.
a) opaque
b) transparent
c) translucent
d) rough

An object which allows all light to pass through.
a) translucent
b) opaque
c) transparent
d) rough

An object that allows no light to pass through.
a) rough
b) opaque
c) transparent
d) translucent

A surface mirror that is curved inward.
a) plane
b) convex
c) concave
d) translucent

A surface mirror that is curved outward.
a) convex
b) concave
c) plane
d) translucent

Causes light rays to come together or converge.
a) convex
b) plane
c) concave
d) translucent

Causes light rays to spread away from each other or diverge.
a) concave
b) plane
c) translucent
d) convex

A straight line drawn perpendicular to the concave/convex mirror.
a) focal point
b) optical axis
c) focal length
d) focal axis

A single point on the optical axis.
a) optical point
b) focal axis
c) focal point
d) optical emphasis

The length of the focal point to the concave/convex mirror.
a) optical length
b) axis length
c) focal length
d) focal emphasis

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