Astronomy A Beginners Guide To The Universe 7th
Edition By Chaisson Test Bank With Verified Questions And Answers
Telescopes: The Tools
... [Show More] of Astronomy
1) The simplest reflector telescope design is the prime focus reflector. Answer: TRUE
Diff: 1
Section Ref.: 3.1
2) Galileo is credited with designing the first reflector telescope. Answer: FALSE
Diff: 1
Section Ref.: 3.1
3) Chromatic aberration affects reflector telescopes. Answer: FALSE
Diff: 1
Section Ref.: 3.1
4) All optical telescopes will bring the light from a star to a focus.
Answer: TRUE Diff: 1
Section Ref.: 3.1
5) A telescope design that uses a lens and no mirrors is a refractor. Answer: TRUE
Diff: 1
Section Ref.: 3.1
6) CCD detectors gather light 10-20 times faster than the most sensitive photographic film. Answer: TRUE
Diff: 1
Section Ref.: 3.1
7) A Newtonian reflector needs no secondary mirror. Answer: FALSE
Diff: 2
Section Ref.: 3.1
8) The Hubble Space Telescope gives us its best resolution with X-rays. Answer: FALSE
Diff: 2
Section Ref.: 3.1
9) The Cassegrain reflector needs a primary concave main mirror and a smaller, convex secondary mirror to reflect light back through a hole in the primary.
Answer: TRUE Diff: 2
Section Ref.: 3.1
10) Photography with film is still the preferred way of capturing fine detail in the faintest, most distant galaxies.
Answer: FALSE Diff: 2
Section Ref.: 3.1
11) The light-gathering ability of a telescope is most dependent on the diameter of its primary objective.
Answer: TRUE Diff: 1
Section Ref.: 3.2
12) Mt. Palomar’s 200″ Hale telescope is the largest reflector now in service. Answer: FALSE
Diff: 2
Section Ref.: 3.2
13) A telescope with an 8-inch mirror will collect twice as much light as one with a 4-inch mirror. Answer: FALSE
Diff: 3
Section Ref.: 3.2
14) The 400″ Keck reflector can see objects 100 times fainter than the 40″ Yerkes lens.
Answer: TRUE Diff: 3
Section Ref.: 3.2
15) Radio telescopes have poorer angular resolution than optical telescopes because radio waves have a much longer wavelength than optical waves.
Answer: TRUE Diff: 1
Section Ref.: 3.2, 3.4 [Show Less]