The Univerity of Akron Decriptive Atronoy Departent of Phyic 3650:130-001 Exa # SVD 10/1/17 1. What phyical quantity i ued to deterine the aount of inertia an object ha? (a) force (b) a (c) weight (d) velocity. Newton firt law of otion i: (a) When two bodie interact, they create equal and oppoite force on each other. (b) The aount of acceleration (a) that a body will experience i equal to the force (F) applied divided by the body a (). (c) A body continue in a tate of ret, or in unifor otion in a traight line at a contant peed, unle ade to change that tate by force acting on it. (d) none of thee. 3. The unit of velocity i: (a) (b) (c) (d) 4. Acceleration i any change of peed or direction, not jut an increae in peed. (a) True (b) Fale 5. A car driving at 0 / brake and coe to a top with acceleration 5/. How long did it take the car to top? (a) 4 (b) 5 (c) 5 (d) 100 6. If you apply the ae force to two cart, the firt with a a of 100 kg, the econd with a a of 10 kg, the acceleration of the 100-kg cart will be: (a) 10 tie larger than the acceleration of the 10-kg cart. (b) 1000 tie larger than the acceleration of the 10-kg cart. (c) 10 tie aller than the acceleration of the 10-kg cart. (d) 1000 tie aller than the acceleration of the 10-kg cart. 7. One newton (N) i equal to: (a) 1 kg (b) 1 kg (c) 1kg (d) 1kg
8. If the ditance between two bodie i doubled, the gravitational force between the will: (a) increae by a factor of. (b) decreae by a factor of. (c) increae by a factor of 4. (d) decreae by a factor of 4. 9. What would be the weight of an object that weigh 100 N on the Earth if it were oved to a planet with twice the a of the Earth and a radiu half the radiu of the Earth? (a) 50 N (b) 00 N (c) 400 N (d) 800 N 10. Neap tide occur when: (a) the Sun and the Moon are in line. (b) the Sun and the Moon are at 45 o a een fro the Earth. (c) the Sun and the Moon are at 90 o a een fro the Earth. (d) the Sun and the Moon are at 135 o a een fro the Earth. 11. A volleyball ha about half the a of a baketball. If they are both oving at the ae peed, the volleyball kinetic energy would be: (a) tie ore than the baketball. (b) 4 tie ore than the baketball. (c) tie le than the baketball. (d) 4 tie le than the baketball. 1. What i the Lorentz factor for an object oving at 5 /? (a) 0 (b) 1 (c) (d) infinity 13. The electron in the allet orbit i in the tate. (a) 1 t excited (b) Planck (c) Bohr (d) ground 14. The unit of theral energy are: (a) joule (b) newton (c) kelvin (d) doppler 15. Wien law tate: The hotter a body i, the ore trongly it will radiate at hort wavelength. (a) True (b) Fale
16. According to the Stefan-Boltzann law, if the Sun teperature doubled, it energy output would increae tie. (a) (b) 4 (c) 16 (d) 81 17. An atronoer find that the viible pectru of a yteriou object how bright eiion line. According to Kirchhoff law, what can he conclude about the ource? (a) It contain hot, relatively tenuou ga. (b) It i oving toward Earth at high peed. (c) It contain cold ga. (d) It i rotating very fat. 18. Picture below how the eiion pectru of. (a) hydrogen (b) heliu (c) argon (d) iron 19. Which type of electroagnetic radiation ha the hortet wavelength? (a) viible light (b) gaa ray (c) X-ray (d) radio wave 0. Which of the following i true about infrared and ultraviolet radiation? (a) Infrared radiation ha lower energy and travel lower than ultraviolet radiation. (b) Ultraviolet radiation ha lower energy and lower frequency than infrared radiation (c) Infrared radiation ha longer wavelength and travel at the ae peed a ultraviolet. (d) Ultraviolet radiation ha aller frequency and higher teperature than infrared. 1. The two type of electronic tranition are: (a) infrared and ultraviolet. (b) claical and quantu. (c) traniion and reflection. (d) aborption and eiion.. Hydrogen produce a pectral line at 656.3 n. If it i detected fro a tar at 655.5 n, what can you conclude? (a) The tar i oving away fro u. (b) The tar i oving toward u. (c) The tar i very hot. (d) The tar i very cold.
3. What quantity i alway contant in pecial relativity? (a) The peed of light. (b) The ditance between the Earth and the Sun. (c) The ditance between the Earth and the Moon. (d) The acceleration due to gravity. 4. Michelon- Morley experient howed that the peed of light: (a) i lightly aller in the direction of Earth otion. (b) i the ae no atter what otion the oberver ha. (c) can only be reached by applying infinite energy. (d) can be exceeded by uing dilithiu crytal. 5. What i equivalent in the Principle of Equivalence? (a) Space and tie. (b) Matter and energy. (c) Gravity and acceleration. (d) Forward and revere direction of tie. 6. What doe CCD ean? (a) Color Changing Diaphrag. (b) Charge Coupled Device. (c) Curvature of Cornertone Dienion. (d) Celetial Circle Diaeter. 7. A technique in which color are ued to repreent inforation at other (non-viible) wavelength i called: (a) intruentation (b) reolution (c) fale-coloring (d) filtering 8. The purpoe of a blue filter i to: (a) alter the wavelength of light we oberve to ake it eaier to detect. (b) eliinate the color of the ky fro photograph. (c) let through only the blue wavelength of light. (d) allow a telecope to collect ore light. 9. The firt telecope built by Galileo Galilei in 1609 wa a. (a) refractor (b) reflector (c) diperor (d) diffuor
30. Which of the following i not a focu arrangeent for reflector? (a) Newtonian focu. (b) Galilean focu. (c) Caegrain focu. (d) Prie focu. 31. A telecope reolution eaure it ability to ee: (a) fainter ource. (b) ore ditant ource. (c) finer detail in ource. (d) ore rapidly oving ource. 3. Atronoer call a cobined et of telecope: (a) diffractor (b) refractor (c) reflector (d) interferoeter 33. Why are oe telecope placed in pace, above Earth atophere? (a) To be cloer to the Sun. (b) To be cloer to the tar. (c) To avoid atopheric aborption. (d) To avoid diffraction. 34. Which of the following telecope would be ot uitable for ground-baed obervation? (a) Radio telecope. (b) X-ray telecope. (c) Ultraviolet telecope. (d) Infrared telecope. 35. At night, or in a dark roo, your pupil open wide, allowing ore light to enter your eye. Thi i called: (a) dark adaptation. (b) averted viion. (c) photopigent. (d) CCD.