Ch. 19=Part 5 Question Preview (ID: 30967)


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

What is the speed of light in empty space?
a) 127,000,000 m/s
b) 197,000,000 m/s
c) 227, 000, 000 m/s
d) 300,000,000 m/s

a mirror or lens that curves outward and causes light waves to diverge or spread apart
a) concave mirror
b) convex mirror
c) concave lens
d) convex lens

a mirror or lens that curves inward and causes light waves to converge or meet
a) concave mirror
b) convex mirror
c) concave lens
d) convex lens

distance along the optical axis from the center of the mirror to the focal point
a) optical length
b) focal length
c) optical axis
d) focal axis

the point at which light becomes focused
a) optical axis
b) optical point
c) focal point
d) focal axis

a beam of light
a) focal light
b) wave length
c) light wave
d) light ray

Light waves travel faster through which of the following?
a) diamond
b) air
c) water
d) vacuum

a mirror or lens that curves inward and causes light waves to diverge
a) concave mirror
b) convex mirror
c) concave lens
d) convex lens

a mirror or lens that curves outward and causes light waves to converge or meet
a) concave mirror
b) convex mirror
c) concave lens
d) convex lens

When an object reflects reflects all the light waves that strike it, it looks ______________ and when an object reflects none of the light waves that strike it, it looks _____________.
a) white, blue
b) black, green
c) white, black
d) black, white

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