1) When an object is placed at the center of curvature of a concave mirror, the image is.

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1 ) Whe a bjet is plae at the eter f urature f a ae mirrr, the image is. a) upright a irtual b) ierte a real ) larger a irtual ) Whe a bjet is plae ery far frm the fal pit f a ergig les, the image is. a) upright a irtual b) ierte a smaller ) larger a real 3) Whe a laser beam traels frm air ( =.0) it water ( =.33) the beam. a) slws w b) es t hage spee ) mes faster 4) Leses wrk ff the priiple f. a) refrati b) iffrati ) refleti 5) Cmpare t a sigle slit iffrati experimet i air, whe plae uerwater the bright friges. a) are the same istae apart b) me lser tgether ) me farther apart 6) iterferee urs whe tw waes erlap that are i phase. a) Destrutie b) Cstrutie ) N

2 7) I the phteletri effet, light frm a ertai sure ejets eletrs frm a metal. Ireasig the f the light will ejet eletrs. a) frequey b) itesity ) waelegth 8) Light. a) is a wae b) is a partile ) has prperties f bth waes a partiles 9) The shrtest waelegth phts i the hyrge spetra ile trasitis that e at the eergy leel. a) = b) = ) = 3 0) Hw may eletrs a fit i the subshell? a) b) 6 ) 0 ) As a spae ship apprahes the spee f light, bserers the earth wul measure the legth f the spaeship. a) t irease b) t erease ) t remai the same ) As a spae ship apprahes the spee f light, bserers the earth wul measure the lks f the spaeship. a) t slw w b) t spee up ) t remai the same

3 A bjet is plae i frt f a ex mirrr with a raius f urature f magitue 8 m. The mirrr prues a image that is 3 m behi the mirrr. 3) Hw far frm the mirrr was the bjet plae? a) m b) 7 m ) m ) 7 m e) m 4) What is the magifiati? a) +4 b) +/4 ) 0 ) -/4 e) -4 A bjet that is 3 m tall is 7 m i frt f a ergig les a reates a real image 9 m bey the les. 5) What is the fal legth f the les? a).88 m b) 3.88 m ) 5.88 m ) 7.88 m e) 9.88 m 6) What is the height f the image? a) +3.6 m b) +.6 m ) 0 m ) -.6 m e) -3.6 m

4 Light with waelegths frm 400 m t 700 m is ile i thi film iterferee with il (=.4) water (=.3). 7) At what miimum -zer thikess will there be strutie iterferee fr blue light? (400m) a) 7.4 m b) 4.9 m ) 50 m ) 350 m e) 500 m 8) At what miimum -zer thikess will there be estrutie iterferee fr re light? (700m) a) 7.4 m b) 4.9 m ) 50 m ) 350 m e) 500 m Light with waelegth 675 m ges thrugh a sigle slit f with 0.0 mm a isplays a iffrati patter a sree. m away. 9) What is the with f the etral bright frige? a) 0.5 m b) 0.5 m ) 0.35 m ) 0.45 m e) 0.55 m 0) What is the agle t the 3 r ark frige? a) b) 4 ) 6 ) 8 e) 0

5 A ertai metal i the phteletri effet experimet has a wrk futi f 3. ev. Fr a gie experimet, the maximum kieti eergy f the ejete eletrs is.5 ev. ) What is the waelegth f the iiet phts? a) 64 m b) 364 m ) 464 m ) 564 m e) 664 m ) What is the DeBrglie waelegth f the ejete eletrs? a) m b) m ) 3 m ) 4 m e) 5 m 3) What is the maximum waelegth f phts that wul ejet eletrs frm this metal? a) 88 m b) 388 m ) 488 m ) 588 m e) 688 m

6 Tw urelate raiatiity prblems are aske belw. 4) Carb 4 6 C eays it Nitrge 4 7 N ia what type f eay? a) b) + ) - ) e) 5) Hw may half-lies are require fr the umber f raiatie ulei t erease t e-thusath f the iitial umber? a) b) 0 ) 00 ),00 e),000,000 A eletr i a exite hyrge atm makes tw trasitis. First the eletr rps frm the =6 t the =3 state, the the eletr emits a pht with a eergy f. ev. 6) Calulate the frequey f the pht emitte i the first trasiti. a).74 x 0 4 Hz b).74 x 0 4 Hz ) 3.74 x 0 4 Hz ) 4.74 x 0 4 Hz e) 5.74 x 0 4 Hz 7) What is the waelegth f the se pht a what state es the eletr e i? a) 0 m, = b) 0 m, = ) 0 m, = ) 30 m, = e) 30 m, =

7 O the earth, yu are wathig a spaeship me iretly away frm the earth at 0.6 relatie t the earth. 8) While mig at 0.6 away frm earth it ses a smaller ship away frm the earth at 0.9 (relatie t the spaeship). Hw fast yu (a bserer earth) measure the smaller ship t be mig? a) 0 b) 0.3 ) 0.97 ).0 e).5 9) Obserers earth measure the spaeship t be 00 m lg. What is the spaeship s prper legth (that peple the spaeship measure it t be)? a) 60 m b) 80 m ) 00 m ) 5 m e) 67 m 30) After a while, yu (a bserer earth) tie 5 miutes hae passe the lks f the spaeship. Hw muh time has passes yur lks ( earth)? a) 9 mi b) mi ) 5 mi ) 9 mi e) 5 mi

8 F ma kqq U r A C C p Olie Physis Frmulas C C kq q F r U V q Q V C F E q kq V r U C QV C s C R s R R kq E r V E Q I t R L RC R V IR P IV Q Q e A t RC I Q Q e F qbsi F ILB si B r B I m r B BAs emf BL qb emf N t Z R B X L X C P V rms I rms s I I s LI U s s V p N p ta U X L R X C R p R t V N V I Z rms rms X X L fl fc f f LC E B E B 9 k Nm / C C / m N q 9 e.600 C / 8 30 m / s Tm A

9 Olie Physis Frmulas i f si si m h i i f R i r h si ta P si m si m W si m f mi. t m ' t m' ' D h h hf KEmax W ' s p E hf m B E 3.6eV 4 p m E py h 4 Et h 4 t t L L p m E m AB AC CB AC CB 8 30 m / s 34 h J s m 3 e 9.0 kg 7 m p.670 kg

10 ON-LINE PHYSICS EXAM # MR. POTTER Name: Date: ) Bubble i the ID umber seti f the satr frm with FIVE ZEROS a the the LAST FIVE DIGITS f yur SOCIAL SECURITY NUMBER. (Fr example ) ) This Exam is 90 mi lg - 30 multiple-hie questis. Chse the e BEST aswer fr eah questi. Yu are t pealize fr guessig. Wath yur time! (Aswer all questis.) 3) Yu may use ly a peil a alulatr. (Frmula sheet is prie.) 4) Use the test as srath paper (r the paper prie by the testig eter). Ha EVERYTHING bak i r yu will reeie a 0 the exam! 5) Srig: all 5 aswer hie questis are 6 pts. eah, all 3 aswer hie questis are 3 pts. eah, all aswer hie questis are pts. eah. Ttal pssible pits = 44 pts. 6) This is test frm _A_. Be sure t FILL THIS IN yur satr frm. All frms are equialet tests (ly umbers hae bee hage.) 7) Als, write yur ame, the lass, the ate, a my ame the satr frm. G Luk!

11 DID YOU BUBBLE IN AN ID NUMBER AND TEST FORM ON THE SCANTRON? (see frt page fr istrutis)