Chapter 5 (Astronomical Tools) Quiz

Chapter 5 (Astronomical Tools) Quiz - Astronomy 101:...

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Astronomy 101: Chapter 5: Astronomical Tools 1. The visible part of the electromagnetic spectrum can be divided into the seven color bands of red, orange, yellow, green, blue, indigo, and violet (from long to short wavelength). A single photon of which of these colors has the least amount of energy? a. red b. orange c. green d. blue e. violet 2. The entire electromagnetic spectrum can be divided into the seven bands of radio, microwave, infrared, visible, ultraviolet, X ray, and gamma ray (from longest to shortest wavelength). To which of these two bands is Earth's atmosphere the most transparent? a. Ultraviolet and infrared. b. Visible and radio. c. Visible and ultraviolet. d .Microwave and radio. e. X ray and gamma ray. 3. Why do the pupils of a cat's eyes open wider at night? a. Cats are the only animals besides humans to observe the stars. b. To reduce the buildup of cat-eye-wax. c. To increase light gathering power. d. A cat sleeps all day and is wide awake at night. e. To attract a mate. 4. Astronomers are both hindered and assisted by chromatic aberration. In which device is chromatic aberration a big problem for astronomers? a. The primary lenses of refracting telescopes. b. The primary mirrors of reflecting telescopes. c. The prism. d. Both a and b above. e. Both a and c above.
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5. Why have no large refracting telescopes been built since 1900? a.
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Chapter 5 (Astronomical Tools) Quiz - Astronomy 101:...

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