The Clausius form of the second law of thermodynamics states that
A. it is impossible to make heat flow from a colder to a hotter body
B. heat naturally flows from a colder to a hotter body
C. heat will not flow from a colder to a hotter body unless some other effect is involved
C. heat will not flow from a colder to a hotter body unless some other effect is involved
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The magnitude of the charge on an electron is approximately:
A) 1023 C B) 10-23 C C) 1019 C D) 10-19 C E) 109 C
The Chandra X-ray telescope must use:
A) a lens of fluorite. B) grazing incidence optics to focus the short wavelengths. C) a Newtonian reflecting design to avoid chromatic aberration. D) X-ray film instead of CCDs for imaging. E) a Schmidt corrector plate to avoid spherical aberration.
An object increases in mass if it is moving rapidly compared to the observer
Indicate whether the statement is true or false
Of EM waves having these wavelengths, which would be visible?
a. 100 nm b. 500 nm c. 1000 nm d. 1 nm e. none of the above