Suppose you want to determine the chemical composition of a distant planet or star. Which of the following will be most useful to have?
A) high spectral resolution
B) high angular resolution
C) high turbulence
D) a radio telescope
A) high spectral resolution
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In stainless steel, nickel and chromium atoms form a _____________solid solution in iron.
Fill in the blank(s) with the appropriate word(s).
When water freezes, the surrounding air is
1) cooled, 2) warmed, 3) unchanged, and when ice melts, the surrounding air is 4) cooled. 5) warmed. 6) unchanged.
The process where a plastic sheet is formed by rolling is called ___________.
Fill in the blank(s) with the appropriate word(s).
According to Lenz's law the direction of an induced current in a conductor will be that which tends to produce which of the following effects?
a. enhance the effect which produces it b. produce a greater heating effect c. produce the greatest voltage d. oppose the effect which produces it