You see colors in a rainbow because of
a. interference
b. diffraction
c. specular reflection
d. dispersion
e. polarization
D
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A long straight wire lies on a horizontal table and carries an ever-increasing current northward. Two coils of wire lie flat on the table, one on either side of the wire. When viewed from above, the induced current circles
A) clockwise in both coils. B) counterclockwise in both coils. C) clockwise in the east coil and counterclockwise in the west coil. D) counterclockwise in the east coil and clockwise in the west coil. E) no emf is induced in either coil.
The least common stars are _______________ stars
Fill in the blank(s) with correct word
Geology's best tool for establishing absolute (numerical) geologic time is called ______________ dating
Fill in the blank(s) with correct word
Adams and Leverrier predicted the position of Neptune, based on its perturbations of:
A) Jupiter. B) the Sun. C) Saturn's rings. D) Uranus. E) Triton.