When light from air passes through a prism, light of all frequencies
A) slow down.
B) remain at speed c.
C) speed up.
D) none of the above
Answer: A
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Which of the following is not true about cold-work?
(a) It increases strength. (b) It produces a good surface finish. (c) It increases ductility. (d) It provides good dimensional tolerance.
If you move in the direction in which gravity acts, an observer at rest sees your watch running
A) slower than at your starting point. B) faster than at your starting point. C) neither of these
One of the most serious 3-D defects that affects the strength of ceramics is the presence of _____________.
Fill in the blank(s) with the appropriate word(s).
Which statement best describes what used to be called the solar neutrino problem?
A) Theoretical models predict that neutrinos should be produced in the Sun, but no neutrinos had ever been observed to be coming from the Sun. B) Solar neutrinos were detected in fewer numbers than predicted by theoretical models. C) Theoretical models did not predict the production of neutrinos by the Sun, yet solar neutrinos were detected. D) Theoretical models predicted that all solar neutrinos should be destroyed before they arrive at Earth, yet neutrinos were detected on Earth. E) The neutrinos that were being detected from the Sun had much smaller masses than theoretical models could account for.