psc101 Physical science s98 q1to8

psc101 Physical science s98 q1to8 - K P801 ()1. Quiz #1 ’...

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Unformatted text preview: K P801 ()1. Quiz #1 ’ Dr. Boone, 9 April 1998 a} - mm 1. Visible light is lust one of the many types of I ' 2 Light waves are produced by oscillating W ago 3. If the wavelen th of a w ve is 0.3 meters and its speed is 300 m/s, its frequency is {WK v evqu MVL Wv at . a . ‘ 1“" 4. The energy in a light wave is quan Ified. One of these light quanta is called a y l Si bk ‘ ll 4 ‘3' 5 Visible light quanta of the very highest energy are \IiDU’ Jr in color. a Visible light with the longest wavelength is MA in color. r\ ' J 7. A red sweater looks red because it absorng 59$] [if ’6 mmc light. . ,il a Material with a natural frequency near the frequency of red light will Abl’o Vcb red light. I“? . 7 X g '9 9. Combining equal amounts of red and blue light will produce ‘ .:."-v 10. A transparent solid is a ll conductor of electricity. it. Phosphors of what color(s) make yellow on televisions? 44 UN x lawn!“ 12 Relative to the point directly behind your pupil, your blind spot is located En | Jj/ a 13. In the Purkinje effect demonstration, the faint V) light was brighter than the faint fl ight. f’j. 14. Light is a wave, but what is wiggling? In order to make a physical system resonate, what must be done? “hm an“ ol/l [ML/i )(b ' 7.4/le to Cpl/4m WW “with m influx. U} 2' . .fg‘tuéy‘ , / VLMLI/ l-l/é awvfiviW/fi’ Wm W‘t MW ' y stare at'a yellow dot and then. look at a w Ite screen, what color will you see and why? We‘re-v58 him will 5% villlci’ bum/L96 that . 2, amt/62, i‘: S MAL attain/(Nye color (Ml/Mb, WWWé» [40W Mitts We l/iml 0% - Hwy 222%“ TM“: air \W -W/:§f£# Early photographic films were more sensitive to blue light than red light. Explain why. evil 8,. lam/Ms; MW loll/u... if M Wit all/why has “3% Wit/5 iii/\éflJ/hg. q I 4. Why are colors hard to distinguish at very low light levels? , sat/""1, , . t " (Asa mi»; N W a [low M lam . finfiwfim '* Mlth if 61149056 “mt/WAGS “WW”: WM' " O . WW 0% , m‘h’flw M {M may Malia/16 r Var/€079 . _ ,, )Mt Name _‘ kids M j/ PSc101,QUlZ #2 a}; \WHW kg kfi , I g_,WSO Ht 1 r l Dr. Boone, 16 April 199% fl ' 5 ‘ l l , \fifiwrk'l'he sky is blue because \W I‘ flfl 21 A L I, '1 I. 0 l’ " Pd ‘hi‘ek \ "2 A short pulse of white light enters a thick piece of glass; which 0 r will emerge first? 3. All objects emit energy. People and other ani als emit energy In the form of _ V -15 :4 L1.»— K k “A 4» I! W 4” ll I lored aint ' ' ' ' co . 4. errng magenta and c an pal “latte/lg p [6/ jwomflc 5 A wave will be retracted if it enters a material where the wave H7 changfl ‘5?” a High quality color prints are make with what foi color dots? ' Wm H 6 UN When we illuminated our red rose with monochromatic yellow light, what color was it? a For a light ray entering glass, the angle of incidence is than the angle of refraction. V . ‘ ~ {wag-‘— 9. Describe the image formed by a convex mirror. l UL l’M ’Y :‘~l b . . . _ . l Gnu? 10' A certain Eager “gm has a Wavelength of 500 nm tn It. | Iss .: vel "/o of its speed In L l v “if: ’6 45/3? iffy! ',( . ‘ *(1 a“, air, its wavelength is 4%?3101! #005 11. To e yourself from head to to in a lane mirror, it must be ab ut how tall? (Describe in words) \ WWW m a S loo 7 r m/ul/k lax/r tor. . . _ ,% 12 What twofolorflaint would you mix tog produce red? WMM£MA% ‘0‘”5‘ 13. In a kaleidoscope, if you see the object and 5 images, the angle between the two mirrors is a saw .rlw’lfi we? : up 14. In our colored fan blade demonstration, if the strob lig t is adjusted so you see each fan blade in rapid succession, all the blades appear what color? 0 1. it sat crystals r transparent, w is a pile of salt whi e instead 0 clear? \ul< he ,- yii} ayeWSV/1WV wit»: +4, Lew/use riff} 3 S , vii \ A, .l + gilt/W 0/1 (4+5 W 0 2 , r” s kl» l IS 1, MN!) 5 ll 5n \Somyv 'amfiécd _ WV W99 _ e Expl hol‘thwhtemiidtiyjrraiiried gasjiLferéXcg/mth mitt dbgésollds. - . I / MEA‘ ‘11 r [W K /4cé+5 )r rerun 0% r he“; a s r S e a; mu Md was lf wle receive the same :1 ount of light ehnergy from a faint blue star as we do from a faint red star, l- -’ ' ' t e ue star as rig ter. _ - Hw‘rhm‘r exp Inwy esee V VS Y! W WW“ 4%" - M] ‘n shofiérgmvm MM 50 “a will:er Wnflmw’ (273 = ' X Wafers/1m m z, firmed/mores Wei/m6 we age,- ‘ xyl‘fioeg‘flmen you stared at our rotating black and white disk, you should have seen cyan when the disk rotated farms“ °“ fiy'fiffl‘lflefifi‘w 3" . 5c; ' my ego “reg at c . 3 _ ' .i’D (FL “5 “61%! W W JR WW toy, _ WW6 447 Va (vi/l M 4: Z W wk < w .313 means . rat-a, mm- "' ” "-JVU|\ PSc101, Quiz #3 Name I___fi ____.# Dr. Boone. 23 April 1998 \ 7 ‘7 1. The two parts of the eye that help focus light are the lens and the H M y ‘H' g lens (re I, virtual, erect. in erted, magnified, rnot iftl'ie object is 2 Describe the image formed by a convergi several focal lengths from the lens. 3. The image of a converging lens if the object is closer than the focal length IS ‘ M l 1 IT V I m‘m ' ' ' . ‘ | b l d? z 4. From an airplane, a rainbow can be a complete Circle Where Will the shadow of the p age/Waffle“ Um (L M 5 The approximate angular radius of the rainbow circle is Wegrees. 9‘0 WW, 6 Why are prisms used instead of mirrors in binoculars? ’7' I ' V' ‘ - - lacttt v“ in 40° 7. How far from a converging lens will an image of a very distant object be formed? “’9 Pm ml— _ -8 if a fish looks up at a 60 degree angle from the vertical. it will see [C(fl'l Um 9 An obiect is 30 cm. from a lens and its image is 30 cm. from the lens. The focal length is Wom.‘ V) ’15 i f = “ii . " X g 10. Lenses are often made of two different pieces of glass glued together. Why? W6 ANMQ WT - ' ens ust a Stale 12 If the focal length of a normal camera lens is 50 mm, a 200 mm lens is a ‘ WWMVW 13. in lab the red "CARBON" appeared upside down while the blue "DIOXIDE" appearedright side up when viewed throu h the cyligder of év‘vzziiter. This vars: beciause 04 44W Way/l gliowm --— W i Mi 4min, rib-mm owl/RH M Lariat/5 mPP—C/‘Y «Yb CW *1. Jill we, tutu/g rectal/(M: mar/Worm AUWW- 14. For the converging ens below, locate the image by drawing two rays of ight from the object. gm back/ Y 11. in order to correct the vision of a near sighted person, a fajita/Life! 1. Ex lain carefully whythe sky is blue. 7 _ Tim sl t8 pit/ea, wmbksé- Of 8 “Wk .W- L} were .38.; We argue. - ‘ 4V . . Stflfe 45, our; rag Moot Sci/13mm lib Vi'QlUr It? 30 WM sea, Jaime. 2 Explain how exlflfi emitted byararefied gas differs from the it ht emitted bya olid “UM/ll lkit awtm firm fl VIE/Hit (If ‘ £ 9 W {a Ur /‘ O‘MK MU «claw limit/glam w ’U’W‘fi ” Wort/lava Metre/t 194m 4 - . Explain how yellow‘ ht can be seen refecting asoap bubble I a ‘ .bitt‘fi (low flaw}; 6M 96% AH (intimng a .— ‘ WV 10" V {L/ W (.1 Mi (13 MS may ) \\ Sfium/Mlfi D’V\ [4/ (Wed. fling/1n! k»le 3L, I S Lola/S L, M Vim/wt W’de boa/wry, Mme, li‘mm‘chA/MD 4. in la ,we observedaglass rod disappearwhen immersed inaclear liqurd. Why did this happe . . so - 8 WW 9W8? of Wag MW. m Wactu a law . M. g ‘5 .- 3“ it a m w a W: W: . O ' “WWKY N We - t \N . ,1 L ‘fi/ {L’ELC W 0+ ' ’LL - +4 flh" ‘ . tirw aw \-\ W711 N fined/L , Wm NM L Sketch the \ PSc101,Quiz #4 Name _ " “MA \ Dr. Boone, 30 April 1998 W Jab Mm glam, {if by Pl”? 131“ Ma y [ Ei‘nftfti’otit 2 Certain sunglasses reduce glare because reflected light tends to be 0 - {l '1 3. Why are prisms used instead of mirrors in binoculars? LU: fl 15mg M Won/0 05 My. 1. Why are lenses coated with a thin layer of material? 4. The double slit experiment demonstrates that light is a 1'1 V ’J 11 .. . . . . r 5 There is a limit to the effective magnification of a telescope, but X color weible light produces the sharpest images. . . . . . x a Laser light passed thro gh a grating wrll prod - - s ttern on a scren. If the slit spacrngs are made smaller, the pattern will , .Ifl'é ' Mia QWV (fl/LL. ceeo—M— I 7. An object is 100 cm from a lens and its image is 25 cm from the lens. The focal length is 20 cm. I l I _.+ _ 7, 0 . , “D H 8 The sunlight scattered by the sky is highly polarized at an angle of fig X degrees from the Sun. 9 Sound waves cannot be polarized because 01/ 011W M1 m 0/ Diffraction is helpful when talking to someone because it VtM' ’l’V‘V’SVUVgA/r glint 49in? Mic to tfi lie QUAlffifi at“ . . it. CW . 11. In lab, the frequency at which the bungee cord Vibrates as one | op is called the fundamental frequency. This frequency is also known as the first dd [i [d X Eat/MU“ \‘C/ 12. The frequency that makes the bungee cord vibrate as three loops is times the fundamental frequency. 10. 13. he gregifllight' shinning on two glass plates. showed light and dark bands. This is an example of K twig} ‘pleW-- [raid at l/nw 4W1 twp mix WWL flay/mi l/Ls i- . 14. The bubble on the spinn'ng record player showed us that an object moving in a circle must be accelerating in a direction towards 311.33 filflfltf (\L oduced by a double slit and directly below it sketch the pattern produced by a grating with the same slit spacing as the double slit. inmate " F ’ ' o a a p O D 0 3. Explain how magenta light can be seen reflecting off a soap bubble. “l "W My“ L96 €09?» Vii/{£17 0/“; it 60W- WWO teem/W90 o. limb/V (Elma: gwtr I 0" t“ t‘ftttrim‘ tenement/ms . MW '8 tit truck rim! Llama, l’\ _- to L . g 4. lnégbfi obsélniedaglassk rod disappearwhen immersed inaciearliquid. Wh affligifggygfig 94:: 1H) . i t M bag/Luge. 04,44 MAJ/w. a I l M53 Mil/19 IT *0 W4” “M e amt/40f“. w‘ 9‘ _ PSc101. Quiz #6 Dr. 1 . 10. 11. 12. 13. 14. WV) /% . “fist/2' awake: “Mo” 3. 4. Boone, 14 May 1998 3 After tailing from equal heights, Jack hits the sidewalk and his identical twin Torn nds on a thick air mattress. Which experiences the greatest impulse during the landing? r' "’ LJMWK/ A 4 ton truck traveling east at 20 mph hits a 1 ton car traveling west. t 60 mph. lf the‘tflruck and car stick 29,, 6:“; together, what will their speed be after the collision? 'tg Kmph. 5.1,} If a submarine just barely floats in cold water. in warm water. it will filttL A 5 pound block of aluminum is submerged in a pail of water and it displaces 2 pounds of water. the buoyant force on the block will be 1’} ac pounds. 7/ _ immflg hm “WWI/D“ Aetmffié {1118/ Rock climbers like nylon rope because it they fall the rope stretches and W9. " Lbks'b ' The size of an impulse delivered to an object depends on the force and the X 1W It a particle moves in a circle and has only on for on it. This force is named a (flit [£11231 1/ 91/ force, and it points in what direction? m N; ‘3 Er: ( mar Compared to the buoyant force of the atmosphere on a 1-titer helium filled balloon, the buoyant force on a 1-liter block of iron is ,t—° +9 '1» lb": is u, "I A piece of glass weighing 6 pounds rests on a balloon. The area of contact is 2 square inches and the “‘ ’“ ff atmospheric pressure is 15 ibiinZ. Find the gauge pressure inside the balloon. 1 fig x lb/in2 in lab we looked at soap bube s. If one is 2 cm. in diameter and another 3 cm. in diameter. which one has the highest surface tension? 35' g: lag Wong/(The one that shrank first.) 64W UN/ Is the water pressure higher in the thin nozzle or in the fatter part of a hose? 111M 4% (/V Knowing that atmospheric pressure is 15 lblina. calculate the force exerted by the atmosphere on a square which is 10 inches by 10 inches? '61:! 1 pounds. In lab we discovered it would take approximately how many lead bricks stacked on their large side to equal the pressure of the atmosphere? ill); it is easy to stick a eedle into a person's arm but hard to push your finger into their arm because you can exert a larger £135“ fix with the needle. vy (5‘3th 1/ . Carefully explain why the ping ong all stayed in the streamgfjffrom he hairbiower. ' i ' - “a , [ commiwgu in ma. r was {flow fad/i LWM. @Y/KVi-Ji’l flywch XAAQc-i; wegézelekégflidéggifinwhy péggai 9 flgk . my M :2 W 112/ 7 is— we (Wt/vise ms flu/1pm _ 1% cm X 4% L/tfitk’ PWM1 M131» Dom/0'18 If an aluminum can containing a small amount of boiling water is quickly inverted in a pan of cool water, it will be crushed. Explain why this happens. 5 Do rds are safer than non padded ones. 5w .6 l/ baa/M315, “HMS \ ‘ ,e-Lg W (leY Uvflx {WM 51,61" Siva/ML (ant/k -/llk «11%— tWW‘ ‘0 ' .51 y do - plows . m. Mu: Unit/Vi WW LOW; NM ’i’b gm W 11 ' Clearly define mass and weight so the difference betweent etwo terms is obvrous. ‘«\ W3 (3/61 . 4M5 ‘ 1+ 1’1“.- 1 is - I mlwoorityb To ‘VL Si/Ur’z 51th D ‘ e M ~15 \. UL k, 1/41/1511,: Writ 13 $1,113» A Mgl/Ll/g, \ £1» 01%? W I " ‘ " PSciOl, Quiz #7 Name ‘ m z . . __ Dr. Boone, 21 May 1998 9:3, 1. As a book slides across a table and comes to rest, the kinetic energy of the book is converted into if“, V3 ’6 2. A 5 newton force acts on a 159 block as it moves a distance of 6 m in 2 seconds. The average power NRA delivered by this force is 1:, - watts. ’ '5 VJ; L: Flt-I ‘r :1» 3. Approximately how many 15 watt bulbs will produce the same light as one 60 watt bulb? E): r: 4. Objects at room temperature emit energy in the form of Mtéd/ézf K \h-HMY0/l yaw“ 5. if you depress one end of a lever 4 meters by applying force of 6 newtons, how high could an 8 newton It weight be lifted by the other end of the lever? ,4; W are 6. A car traveling at 15 mph skids 10 feet to a stop. At 30 mph it will skid jZOxfeet before it stops. 7. The light emitted by a 60 watt fluorescent bulb will be about U times the light emitted by a 60 watt incandescent bulb. x 8. If a 2 kg block is lifted verticagllyrg digtance of 3 m, the work done by the force of gravity is O J I x I 9. If you hold a 9 newton weight for 3 seconds, the work you do is 0 J __ \ , I 10. if a mass on a spring is oscillating vertically. the kinetic energy will be a minimum at 4|“ Lfi l2 ' 4! L4,”- .13 11. The wheel of a kilowatt-hour meter revolves once in 6 s when supplying 100 W of power. lithe wheel W gg x 1°“ turns once in 20 5 what ower is it su | in ? W 90 .__, m, w p M o % mwu ‘00 20 12. If they have the same momentum. a light car requires ’r work to stop than a heavy truck. 13. A golf ball bounces off a bowling ball initially at rest. After the collision, the ball has the greater momentum. 14. In the swinging-balls apparatus, if two balls are sent in. one ball will NOT pop out at twice the speed ‘ S because . t - V at the mesa/s 0% we wax/LS .x “'1 We: a I WVQA 18 M1” If an aluminum can containing a small amount of boiling water is quickly inverted in a pan of cool water, it Cmc’wd‘ W will be crushed becaus ‘ . . sew/L ltAStpr, MAJ. {M175 [5100/ Mewsww’e 6? l ‘igrY/“Efid- Mm» Preset/um IN!“ («WSW “WW MW“ y. \r\ 2. W explain why the ping pong ball stayed in the shearing air from the hair blower. b is [Oi/u lasso/m m y - , . pr 66W” 0% aid/LS 07‘ W ‘ _ + {owe/- Lam/M +0 era/{l no - law PflésM/fe. 3. A ball is resting in your hand. Describe all the forms of energy involved as you throw the ball straight up into tat-Jar and Wome E2355? the'ggoundz l 4/ M S l_ 5 ~ 1‘ c, . - r ( IE ~ ij gym/6T6 ‘ VL/L Agfojm I f‘"\ - I. thi/k i' l f m I 1 ' V y , é Wig/Lil s PWMW WW7? 04*- Wb 11?? it’d.“ 4. ofiflpfifiw anfflfihghat it depzds 0W Mill/b mm ' . __ ol~ rim . E0 GYM lid/14A 1‘? LL. _ . ' . 7' 0(— - 1 +5 W5 ( __—_______—.———-————7 P313101, Quiz #8 “ Dr. Boone, 28 May 1998 1.1 1. 2. 3. 4 5. 6 7 8 10. 11. 12. 13. 14. “at” . When a twirling ice skater brings her arms inward, her angular momentum 1EEOVM§€ 9f t f the rope. , .. , W.“ .’ pic Wes-1+ Mimi 4’0 1%? fix?“ 5 P 5114.51“ Hamil/é; ow“ or . . . W" is thrown straigh1 up and lands on the ground. Describe all the Name h _ :1; a . " "fit-11,1: t ,2 Which has the largest rotational inertia, a solid sphere or a solid disc of equal mass and radius? p To turn a stubborn screw, get a screwdriver whose handle is 5/11 g1 " lithe polar caps melt and the water spreads over the Earth, the Earth will spin 4*, Slit-1N [/V What torque causes a yo-yo to spin? 9 m1 111’ A 20 kg girl 12 ft from a teeter-totter‘s rotation axis will balance a 60 kg boy i feet from the rotation axi ’g +7” When a twirling ice skater brings her arms inward, her rotational inertia (/1363 A spinning bicycle wheel with 12 units of angular momentum directed upward is held by a person at rest on a stool that can easily rotate. After the person turns the heel over so it has 12 units 01 angular momentum directed downward, the person wiil have 2:1 units of angular momentum. The E h i at ryicantly closer to the Sun in January than it is in July. lts orbital speed in January must be . ' ' than its orbital speed in July. The angular momentum vector of a unicycle is pointing west, but a torque is applied 5 e torque vector points south. What happens to the unicycle? - - war/{Lia t1 M A V 0 Is it easier to balance a baseball bat on the small end or the large end? Which will roll down an inclined ptane faster, a can of broth or a can 01 clam chowder? 1Q ' it the Earth-Sun distance were doubted, the force of attraction would be times its present value. E - —‘~ A 2. To turn a stubborn bolt, get a wrench whose handle is 10 k] a, fit \ In lab we pulled horizontally on a string wrapped around a large spool causing the spool to roll in the opposite direction of the pull torque. Explain why? .' 1 it at 1m (M, - ogre 6m 4s a @3413 [a *bwgffii tiff F 61A 6 l -. Le. . u: 25PM In terms of the p ics we have learned, why is the door knob placed near the edge away from the hinge instead of say near the middle of the door? . W501; [Mama ts Placed My rid/ke— eflhfic MWéLELj 2 u l 6! av .’ r {Mama as a Wm; 1/0 myth/112:: , r - o 1 I, w -i/hm 141 i” mi. '1" 2111'}: ‘WU WEEK! Vim Mi) 1 Many tight rope Wat ers carry a long poe which is weighted at t e ends. How does this pole make it hard 01-9?- ., 'v Mg ‘ KCWS cf, git/cm Wstwé MAL like,th? 1 t a Low forms of inergy involved from the L. time it begins at rest in your hand until it comes to rest on the gr und. » . Mi '5 M were , more twirl/strap wth swayed as l ' {Jr W5 0t _‘ ." Wt," 0+ gwyéjax mm, t‘ Wit/15 11169 {ed/1 rflr area {yr/cm; I. 0. haiodwaisfl “*‘Oiif“%“, Wu Hw’nvt\ is W cerium—at +0 1‘ MM matey ...
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psc101 Physical science s98 q1to8 - K P801 ()1. Quiz #1 ’...

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