A nearsighted person requires glasses with lenses that are
A. diverging, to see near objects.
B. converging, to see near objects.
C. converging, to see distant objects.
D. diverging, to see distant objects.
Answer: D
You might also like to view...
The primary purpose of a lightning rod is to
A) attract lightning and guide it to the ground. B) discharge the structure to which it is attached. C) cancel the electric field within the structure to which it is attached. D) induce a charge opposite to that of charged clouds overhead.
What are the measured densities of the exoplanets called "hot Jupiters," and why are these densities inconsistent with theoretical models?
What will be an ideal response?
Laboratory measurements show hydrogen produces a spectral line at a wavelength of 486.1 nanometers (nm). A particular star's spectrum shows the same hydrogen line at a wavelength of 486.0 nm. What can we conclude?
A) The star is getting hotter. B) The star is getting colder. C) The star is moving toward us. D) The star is moving away from us.
Steven Weinberg, Abdus Salam, and Sheldon Glashow shared the 1979 Nobel prize in physics for their development of a(n)
a. electroweak theory b. GUT c. quark theory d. generalized theory of relativity e. theory of strangeness