When the electric field vibrations of a light
wave are restricted to one direction, the
wave has been
a) dispersed.
b) diffused.
c) diffracted.
d) polarized.
d
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Which lunar feature most resembles the Moon's original crust?
A) Valleys B) Craters C) Maria D) Bright rays E) Highlands
An electron has an initial velocity to the south but is observed to curve upward as the result of a magnetic field. This magnetic field must have a component
A) to the west. B) to the east. C) upward. D) downward. E) to the north.
A triatomic molecule is oriented as follows along the x-axis: mass m is at the origin, mass 2m is at x = a, and, mass 3m is at x = 2a. What is the moment of inertia of this molecule about the y-axis?
A) 2ma2 B) 3ma2 C) 12ma2 D) 14ma2
All around the world, ancient cultures celebrated heroes, gods, and mythical beasts by naming groups of stars called _____
A) satellites B) constellations C) wormholes D) comets