Thermonuclear warheads, or hydrogen bombs, are powerful mainly because of the
a. fission process.
b. fusion process.
c. absorption of neutrons by 238U.
d. emission of protons by 238U.
b
Physics & Space Science
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Energy Levels: A highly ionized atom with Z = 5 has only one electron left around it, in its ground state. How much more energy is required to finish the job and have a bare nucleus?
A. 340.0 eV B. 68.0 eV C. 10.9 eV D. 13.1 eV
Physics & Space Science
Graphite, diamond, and buckminsterfullerene are different forms of the element _______
Fill in the blank(s) with correct word
Physics & Space Science
Lunar volcanism is obvious from the huge mare basins, and the more localized ________
Fill in the blank(s) with correct word
Physics & Space Science
The time derivative of a vector is a:
A. Either a scalar or a vector. B. Tensor. C. Scalar. D. Vector.
Physics & Space Science