The metric prefix for one thousand is
A) milli.
B) centi.
C) kilo.
D) mega.
E) giga.
C
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What do we mean by a primitive meteorite?
A) a meteorite that is essentially unchanged since it first condensed and accreted in the solar nebula almost 4.6 billion years ago B) a meteorite that was discovered by primitive people C) a type of meteorite that is made mostly of high-density metals D) a meteorite that fell to Earth at least 4 billion years ago
If the top quark has a mass of 175 GeV/c2 , what is its mass in atomic mass units?
A. 175 u B. 188 u C. 163 u D. 58 u E. 19 u
To turn 50 grams of boiling water to steam requires
A) 50 calories. B) 500 calories C) 540 calories. D) more than 540 calories. E) none of the above
When scattering 3.28 Angstrom X-rays off a crystal an interference maximum occurs at a scattering angle of 23.0 degrees. At what angle does the second maximum occur?
A. 51.3o B. 46.0o C. 34.5o D. there is no second maximum.