Exploring the Universe Exam 1 Study Guide-Questions and Answers Graded A+

Exploring the Universe Exam 1 Study Guide-Questions and Answers Graded A+ Which of these is NOT a form of electromagnetic radiation? - ANSWER-A DC current from your car battery A waves velocity is the product of the - ANSWER-frequency times the wavelength of the wave. What is the name of the temperature scale that places zero at the point where all atomic and molecular motion ceases? - ANSWER-Kelvin The sun's observed spectrum is - ANSWER-A continuum with absorption lines In Bohr's model of the atom, electrons - ANSWER-only make transitions between orbits of specific energies. For hydrogen, the transition from the first to the third excited state produces - ANSWER-A blue green absorption line According to the Zeeman effect, the splitting of a sunspot's spectral lines is due to - ANSWER-Their magnetic fields The sun's blackbody curve peaks in the _______ portion of the spectrum - ANSWER-visible The speed of light in a vacuum is - ANSWER-300,000 km/sec The radiation our eyes are most sensitive to is the color - ANSWER-yellow-green at about 550 nm Which type of telescope has the simplest light path? - ANSWER-prime focus reflector Compared to a 6-inch prime focus reflector, a 5-inch Newtonian reflector will - ANSWER-have the same light gathering power What problem does adaptive optics correct? - ANSWER-turbulence in the earth's atmosphere which creates twinkling In astronomy, an interferometer can be used to - ANSWER-improve the angular resolution of radio telescopes