Question 13.5 ptsA divershines light upward to the surface of a smooth pond at 30° to the normal. Mostlight passes into the air above while the part that reflects back into thewater makes an angle to the normal of ______.Group ofanswer choicesmore than30°less than30°allrefracts, none reflects30° Flag question: Question 2Question 23.5 ptsWhich canbe projected on a screen?Group ofanswer choicesa real imagea virtualimageboth oftheseneither ofthese Flag question: Question 3Question 33.5 ptsTo “shoot”a blue fish with a red laser beam, aim your laser _______.Group ofanswer choicesabove thesighted fishbelow thesighted fishdirectly at the sighted fish Flag question: Question 4Question 43.5 ptsThe physicsbehind the color of the sky involves ________.Group ofanswer choicesdifferentprocesses for sunsets and blue jaysscattered sunlightabsorbedsunlight Flag question: Question 5Question 53.5 ptsThecritical angle is the angle in which all light within the medium at its uppersurface is _____.Group ofanswer choicesrefractedabsorbedreflecteddiffuseddispersed Flag question: Question 6Question 63.5 ptsRefractionin the atmosphere makes the hours of day a little _______.Group ofanswer choiceslonger insummer but shorter in wintershorterlonger Flag question: Question 7Question 73.5 ptsRefractionof light makes changes in the ______.Group ofanswer choicesfrequencywavelengthboth oftheseneither ofthese Flag question: Question 8Question 83.5 ptsWhen a fishis placed out of the water, it will have better vision if it has goggles thatare _______.Group ofanswer choicesextremelyshinyfilled with waterhemisphericaltinted bluenone of theabove Flag question: Question 9Question 93.5 ptsWhen apulse of white light is incident on a glass prism, the first color to emerge is______.Group ofanswer choicesvioletorangeredgreen Flag question: Question10Question 103.5 ptsTo “shoot”a red fish with a red laser beam, aim your laser ______.Group ofanswer choicesdirectly at the sighted fishbelow thesighted fishabove thesighted fish Flag question: Question11Question 113.5 ptsLighttravels along the path of _____.Group ofanswer choicesleastdistanceleast timeleastexpenseleastcomplicationleasteffort Flag question: Question12Question 123.5 ptsWhen thespeed of light in medium is 2 × 108 m/s, its index of refraction is ______.Group of answerchoices1.50.501.00.672.0 Flag question: Question13Question 133.5 ptsWhich areconsequences of different speeds of light in different media?Group ofanswer choicesrainbowsbrilliantcolors of diamondsmiragesall of the abovenone of theabove Flag question: Question14Question 143.5 ptsA redtomato will appear black when illuminated with _______.Group ofanswer choicesyellowlightmagentalightblue lightcyan lightnone of theabove Flag question: Question15Question 153.5 ptsThesecondary rainbow is slightly dimmer than the primary rainbow because ______.Group ofanswer choicesof an extra reflection andrefraction in the dropsit simplyhas less energy than the primary bowits colorsare invertedit islarger, and its energy is spread over more areait isfarther from the viewer Flag question: Question16Question 163.5 ptsA roughsurface for infrared waves can be polished for _____.Group ofanswer choiceslight wavesradio wavesboth oftheseneither ofthese Flag question: Question17Question 173.5 ptsTheatmosphere of Jupiter is about 1000 km thick. From Jupiter's surface, the Sunat noon would appear ______.Group ofanswer choicesfaintlywhitewhitenot at allnone of the above Flag question: Question18Question 183.5 ptsHow longdoes it take light to reach us from the Sun?Group ofanswer choices8 seconds8 hours7 seconds,reflex time8 minutes Flag question: Question19Question 193.5 ptsOur eyesare not very good at seeing _____.Group ofanswer choicescolor in dim lightmotion atour peripheriesdifferencesin brightnessall of theabovenone of theabove Flag question: Question20Question 203.5 ptsIf anelectron vibrates at a rate of 1000 vibrations per second, it generates anelectromagnetic wave having a ______.Group ofanswer choiceswavelengthof 1000 kmspeed of1000 m/swavelengthof 1000 mfrequency of 1000 Hzperiod of1000 s Flag question: SpacerPlease showyour full solution steps. First state what is given, then start with thesymbolic equation, then show data entered into the equation, and then the finalanswer with proper units. Please write your steps vertically. You will not gaincredit for showing only the answer. Flag question: Question21Question 2110 ptsBy reference to Figure 27.9, p. 508 (how primary colors mix) complete thefollowings:1) Yellow + Blue = ________2) Green + ________= White3) Magenta+ Yellow + Cyan = ________
Flag question: Question22Question 2210 ptsIf thespeed of light is a particular kind of glass is 190,000 km/s, calculate theindex of refraction for this glass. Given that the speed of light in vacuum is300,000 km/s. Flag question: Question23Question 2310 ptsIs itpossible to have a total internal reflection of light that is incident from airto glass?
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