Which of the following is not a method of producing nuclear fusion?
a. heating a magnetically confined plasma
b. forcing nuclei together using lasers
c. cooling nuclei to very cold temperatures
d. forcing nuclei together with a nuclear fission explosion
c
You might also like to view...
What is the equivalent capacitance of the combination shown?
a.
20 ?F
b.
90 ?F
c.
22 ?F
d.
4.6 ?F
e.
67 ?F
Sunspots are dark because
a. regions of the photosphere are obscured by material in the chromosphere. b. shock waves move through the photosphere. c. the sun rotates differentially. d. the strong magnetic field inhibits the currents of hot gas rising from below. e. they radiate their energy into space faster than the rest of the photosphere.
A tiny vibrating source sends waves uniformly in all directions. An area of 3.25 cm2 on a sphere of radius 2.50 m centered on the source receives energy at a rate of 4.20 J/s
(a) What is the intensity of the waves at 2.50 m from the source and at 10.0 m from the source? (b) At what rate is energy leaving the vibrating source of the waves? What will be an ideal response?
The Pacific Ocean southwest of the United States is the source region for the ______________ type of air mass
a. cP b. mA c. mT d. mP