PHYS1600 UNIVERSITY OF GUELPH — UN
MIDTERM QUESTIONS AND CORRECT RA
When cMercury cis cat cits cfarthest cdistance cfrom cthe cEarth, cit cis cat
opposition
greatest celongation
inferior cconjunction
superior cconjunction c- cCORRECT cANS✔✔superior cconjunction
The cSun cis cat cone cfocus cof cthe cEarth's celliptical corbit. cWhat cis cat cthe cother cfocus?
our cMoon
Jupiter
Venus
nothing c- cCORRECT cANS✔✔nothing
The cplanet cVenus cis ccloser cto cthe cSun cthan cthe cEarth. cWhich cvalue cbelow cis cthe csidereal cpe
4.6 cyr
1 cyr
225 cdays c- cCORRECT cANS✔✔225 cdays
The coccasional cwestward c(left cto cright) cmotion cof cplanets cacross cthe ccelestial csphere cis ccalled
retrograde crotation
retrograde crevolution
retrograde cmotion
reverse cmotion c- cCORRECT cANS✔✔retrograde cmotion
The cmost cserious cflaw cin cthe csolar csystem cmodel cof cCopernicus cwas
Earth cwas cat cthe ccenter cof cthe csystem.
the corbits cwere ccircular crather cthan celliptical.
it cfailed cto ctake cprecession cinto caccount.
it cfailed cto ctake cretrograde cmotion cinto caccount. c- cCORRECT cANS✔✔the corbits cwere ccircular
,That cit cchanges capparent csize cand chas cmoons. c- cCORRECT cANS✔✔That cit chas cphases cand
If can castronaut clanded con ca cplanet cof cthe csame cradius cas cthe cEarth cbut c4 ctimes cthe cmass, c
cthe cplanet cwould cbe
the csame cas con cEarth cbecause cweight cis cindependent cof clocation.
twice cher cweight con cthe cEarth.
4 ctimes cher cweight con cthe cEarth.
16 ctimes cher cweight con cthe cEarth. c- cCORRECT cANS✔✔4 ctimes cher cweight con cthe cEarth.
Which cstatement cbelow cis ccorrect?
Retrograde cmotion ccan cbe cexplained conly cin cthe cgeocentric csystem.
Retrograde cmotion ccan cbe cexplained conly cin cthe cheliocentric csystem.
Retrograde cmotion ccan cbe cexplained cin ceither cthe cheliocentric cor cthe cgeocentric csystem.
Retrograde cmotion ccannot cbe cexplained cin ceither cthe cheliocentric cor cthe cgeocentric csystem. c-
cANS✔✔Retrograde cmotion ccan cbe cexplained cin ceither cthe cheliocentric cor cthe cgeocentric csyst
Which cword, cin cthe clist cbelow, cgoes cin cthe cspace? cThe c_____________ cperiod cof ca cplanet cis
cto cgo cfrom ca cposition camong cthe cfixed cstars cback cto cthe csame cposition.
sidereal
synodic
monthly
yearly
daily c- cCORRECT cANS✔✔sidereal
The cEarth, cand call cplanets, cmove cabout cthe cSun cin c___1____ corbits cwith cthe c___2___ cat con
cother. cWhich cchoice cof c1, c2, c3 cbelow cis ccorrect?
circular, cSun, cnothing
elliptical, cSun, cnothing
circular, cEarth, cSun
parabolic, cSun, cnothing
parabolic, cEarth, cSun c- cCORRECT cANS✔✔elliptical, cSun, cnothing
A cplanet ccloser cto cthe cSun cwill chave c...
...a clonger cyear cthan ca cplanet cfurther cfrom cthe cSun.
...a cshorter cyear cthan ca cplanet cfurther cfrom cthe cSun.
...the csame clength cof cyear cas ca cplanet cfurther cfrom cthe cSun. c- cCORRECT cANS✔✔...a cshorte
cfrom cthe cSun.
What cassumption cmade cCopernicus' cheliocentric ccosmology cno cmore caccurate cthan cgeocentric
That cthe csidereal cperiod cis cthe ctrue corbital cperiod cof cany castronomical cbody.
That cthe csynodic cperiod cis cthe ctime cthat celapses cbetween csuccessive cidentical cconfigurations.
That cMars cand cVenus cmust cbe ccloser cto cthe cSun cthan cis cthe cEarth.
That cplanets corbit cthe cSun calong ccircular cpaths. c- cCORRECT cANS✔✔That cplanets corbit cthe c
The cmajor ccontribution cof cTycho cBrahe cto cthe cdevelopment cof cmodern castronomy cwas
observe cthe cphases cof cVenus.
prove cthat cplanetary corbits care cellipses.
measure cplanetary cpositions cvery caccurately.
,It cincreases cby ca cfactor cof c2.
It cincreases cby ca cfactor cof c4.
It cdecreases cby ca cfactor cof c2.
It cdecreases cby ca cfactor cof c4. c- cCORRECT cANS✔✔It cdecreases cby ca cfactor cof c4.
One cstatement cbelow cis cincorrect; cwhich cone?
The crotation cand crevolution cof cthe cEarth care cin cthe csame cdirection.
The cseasons care ca cresult cof cthe cfact cthat cthe cEarth's corbit caround cthe cSun cis celliptical cand cn
Leap cyears care cnecessary cbecause cthe clength cof cthe cyear cis cnot can cexact cintegral cnumber co
The crotation cof cthe cEarth cis ccounter cclockwise cviewed cfrom cthe cnorth. c- cCORRECT cANS✔✔
One cstatement cbelow cis ccorrect; cwhich cone?
In cits corbit cabout cthe cEarth cthe cMoon chas cto ctravel ca csmaller cdistance cto ccome cback cto cthe c
cone cfull cturn cwith crespect cto cthe cdistant cstars.
In cthe ctime cthat cthe cMoon cmakes cone crevolution cabout cthe cEarth cthe cEarth cmoves cthrough ca
cSun.
The cplane cof cthe cMoon's corbit cis ctilted cat cabout c5° cto cthe cecliptic cplane
Because cthe cMoon cdoes cnot crotate cwith crespect cto cthe cdistant cstars, cwe csee call csides cof cthe
cCORRECT cANS✔✔The cplane cof cthe cMoon's corbit cis ctilted cat cabout c5° cto cthe cecliptic cplane
The cmain creason cfor cseasonal ceffects cat cmid-latitudes con cthe cEarth cis:
the cchange cin cthe ctilt cangle cof cthe cEarth's cspin caxis crelative cto cthe ccelestial cequator. cTheSun
cequator cin cour csky, cproducing ca cchange cin cthe cangle cof csolar cradiation con cthe cEarth.
the ctilt cof cthe cspin caxis cof cEarth cto cits corbital cplane, cresulting cin ca cchange cin cthe cangle cof cin
cthe cEarth's csurface cas cthe cEarth corbits caround cthe cSun.
the cvariation cin cthe cdistance cbetween cSun cand cEarth cbecause cof cthe celliptical corbit cof cthe cEa
cintensity cof csolar cradiation con cEarth. c- cCORRECT cANS✔✔the ctilt cof cthe cspin caxis cof cEarth ct
ca cchange cin cthe cangle cof cincidence cof csolar cradiation con cthe cEarth's csurface cas cthe cEarth co
The cMoon cshows cdifferent cphases cbecause:
the cMoon cmoves cslowly cin cand cout cof cthe cEarth's cshadow cin cits corbital cmotion caround cthe cE
the cMoon crotates cslowly cto creveal cmore cor cless cof cits cilluminated chemisphere cwhile cremaining
ccelestial csphere cof cstars.
we cview cthe csunlit chemisphere cof cthe cMoon cfrom cdifferent cangles cas cthe cMoon corbits cthe cEa
cview cthe csunlit chemisphere cof cthe cMoon cfrom cdifferent cangles cas cthe cMoon corbits cthe cEarth.
When cdoes cthe cfirst cquarter cMoon crise,approximately?
At cmidnight
At csunset
At cmidday c- cCORRECT cANS✔✔At cmidday
The creason cwhy ceclipses cdo cnot coccur cat cevery cnew cmoon cand cevery cfull cmoon cis cthat:
the cEarth's cequator cis cinclined cat can cangle cto cthe cEarth's corbit.
the cMoon's corbit cis cinclined cat can cangle cto cthe cEarth's cequator.
the cMoon's corbit cis cinclined cat can cangle cto cthe cEarth's corbit. c- cCORRECT cANS✔✔the cMoon's
cto cthe cEarth's corbit.
The cEarth cis crepresented cby ca c$2 ccoin c(diameter c2 ccm).The cMoon cis crepresented cby ca cdime
, In cits corbit cabout cthe cEarth cthe cMoon chas cto ctravel cfurther cto ccome cback cto cthe csame cphase
cwith crespect cto cthe cdistant cstars c- cCORRECT cANS✔✔In cits corbit cabout cthe cEarth cthe cMoon
cback cto cthe csame cphase cthan cto cmake cone cfull cturn cwith crespect cto cthe cdistant cstars
Leap cyears, cwhich ccontain cone cextra cday, care cneeded cin corder cto ccorrect cfor cthe cfact cthat:
I cyear cis cnot cexactly c365 cdays cbut cabout c365.25 cdays.
the clength cof' cthe cday chas cchanged csince cthe ccalendar cwas cdevised cby cancient cGreeks cbeca
cin cslowing cdown cthe cspin cof cthe cEarth.
the cEarth cspeeds cup cand cslows cdown cperiodically cin cits corbit caround cthe cSun. c- cCORRECT cA
c365 cdays cbut cabout c365.25 cdays.
On ca cparticular cnight, cthe cMoon cappears cmore cthan chalf cfull, cand con cthe cfollowing cnight cit cap
cmoon.What cwas cthe cphase cof cthe cMoon con cthe cfirst cnight?
Waning ccrescent
Waxing cgibbous
Waning cgibbous c- cCORRECT cANS✔✔Waning cgibbous
As cthe cMoon corbits cthe cEarth cand cwe cobserve cits cphases, chow cfast cdoes cthe cterminator c(the
cilluminated cand cdark cparts cof cthe cMoon) cmove cacross cthe clunar csurface, cin cterms cof cangle co
360 cdegrees cin cabout c1 cmonth, cor cabout c12 cdegrees cper cday.
The cterminator cwill cnever cmove csince cthe cMoon cdoes cnot crotate cwith crespect cto cthe cEarth.
360 cdegrees cin cabout c1 cyear, cor cabout c1 cdegree cper cday. c- cCORRECT cANS✔✔360 cdegrees
c12 cdegrees cper cday.
Lunar ceclipses coccur:
every cmonth, cwhen cthe cMoon cmoves cinto cthe cEarth's cshadow cto cproduce cthe cdark cnew cmoo
about ctwice cper cyear, cwhen cthe cMoon cgoes cinto cthe cshadow cof cthe cEarth.
about ctwice cper cyear, cwhen ca cspecific cpart cof cthe cEarth cis cwithin cthe cshadow cof ctheMoon. c- c
ctwice cper cyear, cwhen cthe cMoon cgoes cinto cthe cshadow cof cthe cEarth.
The cSun cand cthe cMoon cappear cto cus ctobe cthe csame csize cin cthe csky. cWe cknow cthat ctheSun
cmeans:
The cdiameter cof cthe cmoon cis cgreater cthan cthat cof cthe cSun.
The cMoon cand cthe cSun chave cthe csame cdiameter.
The cdiameter cof cthe cSun cis cgreater cthan cthe cdiameter cof cthe cMoon. c- cCORRECT cANS✔✔Th
cgreater cthan cthe cdiameter cof cthe cMoon.
What cis cthe cbasic cstructure cof cEarth's cinterior?
molten ciron ccore, cmolten crocky cmantle, csolid crocky ccrust
molten ciron cinner ccore, csolid ciron couter ccore, crocky cmantle, clighter crocky ccrust
solid ciron cinner ccore, cmolten ciron couter ccore, crocky cmantle, clighter crocky ccrust
molten ciron cinner ccore, cmolten crocky couter ccore, csolid crocky cmantle,lighter crocky ccrust c- cCOR
ccore, cmolten ciron couter ccore, crocky cmantle, clighter crocky ccrust
Which cof cthe cfollowing cis cnecessary cfor cthe cproduction cof ca csubstantial cplanetary cmagnetic cfie
Continental cplates cmoving cunder cthe caction cof ctectonic cactivity.
Residual cmagnetism cin cthe crocks cof cthe cplanetary ccrust.
An cancient, ccratered cplanetary csurface.
MIDTERM QUESTIONS AND CORRECT RA
When cMercury cis cat cits cfarthest cdistance cfrom cthe cEarth, cit cis cat
opposition
greatest celongation
inferior cconjunction
superior cconjunction c- cCORRECT cANS✔✔superior cconjunction
The cSun cis cat cone cfocus cof cthe cEarth's celliptical corbit. cWhat cis cat cthe cother cfocus?
our cMoon
Jupiter
Venus
nothing c- cCORRECT cANS✔✔nothing
The cplanet cVenus cis ccloser cto cthe cSun cthan cthe cEarth. cWhich cvalue cbelow cis cthe csidereal cpe
4.6 cyr
1 cyr
225 cdays c- cCORRECT cANS✔✔225 cdays
The coccasional cwestward c(left cto cright) cmotion cof cplanets cacross cthe ccelestial csphere cis ccalled
retrograde crotation
retrograde crevolution
retrograde cmotion
reverse cmotion c- cCORRECT cANS✔✔retrograde cmotion
The cmost cserious cflaw cin cthe csolar csystem cmodel cof cCopernicus cwas
Earth cwas cat cthe ccenter cof cthe csystem.
the corbits cwere ccircular crather cthan celliptical.
it cfailed cto ctake cprecession cinto caccount.
it cfailed cto ctake cretrograde cmotion cinto caccount. c- cCORRECT cANS✔✔the corbits cwere ccircular
,That cit cchanges capparent csize cand chas cmoons. c- cCORRECT cANS✔✔That cit chas cphases cand
If can castronaut clanded con ca cplanet cof cthe csame cradius cas cthe cEarth cbut c4 ctimes cthe cmass, c
cthe cplanet cwould cbe
the csame cas con cEarth cbecause cweight cis cindependent cof clocation.
twice cher cweight con cthe cEarth.
4 ctimes cher cweight con cthe cEarth.
16 ctimes cher cweight con cthe cEarth. c- cCORRECT cANS✔✔4 ctimes cher cweight con cthe cEarth.
Which cstatement cbelow cis ccorrect?
Retrograde cmotion ccan cbe cexplained conly cin cthe cgeocentric csystem.
Retrograde cmotion ccan cbe cexplained conly cin cthe cheliocentric csystem.
Retrograde cmotion ccan cbe cexplained cin ceither cthe cheliocentric cor cthe cgeocentric csystem.
Retrograde cmotion ccannot cbe cexplained cin ceither cthe cheliocentric cor cthe cgeocentric csystem. c-
cANS✔✔Retrograde cmotion ccan cbe cexplained cin ceither cthe cheliocentric cor cthe cgeocentric csyst
Which cword, cin cthe clist cbelow, cgoes cin cthe cspace? cThe c_____________ cperiod cof ca cplanet cis
cto cgo cfrom ca cposition camong cthe cfixed cstars cback cto cthe csame cposition.
sidereal
synodic
monthly
yearly
daily c- cCORRECT cANS✔✔sidereal
The cEarth, cand call cplanets, cmove cabout cthe cSun cin c___1____ corbits cwith cthe c___2___ cat con
cother. cWhich cchoice cof c1, c2, c3 cbelow cis ccorrect?
circular, cSun, cnothing
elliptical, cSun, cnothing
circular, cEarth, cSun
parabolic, cSun, cnothing
parabolic, cEarth, cSun c- cCORRECT cANS✔✔elliptical, cSun, cnothing
A cplanet ccloser cto cthe cSun cwill chave c...
...a clonger cyear cthan ca cplanet cfurther cfrom cthe cSun.
...a cshorter cyear cthan ca cplanet cfurther cfrom cthe cSun.
...the csame clength cof cyear cas ca cplanet cfurther cfrom cthe cSun. c- cCORRECT cANS✔✔...a cshorte
cfrom cthe cSun.
What cassumption cmade cCopernicus' cheliocentric ccosmology cno cmore caccurate cthan cgeocentric
That cthe csidereal cperiod cis cthe ctrue corbital cperiod cof cany castronomical cbody.
That cthe csynodic cperiod cis cthe ctime cthat celapses cbetween csuccessive cidentical cconfigurations.
That cMars cand cVenus cmust cbe ccloser cto cthe cSun cthan cis cthe cEarth.
That cplanets corbit cthe cSun calong ccircular cpaths. c- cCORRECT cANS✔✔That cplanets corbit cthe c
The cmajor ccontribution cof cTycho cBrahe cto cthe cdevelopment cof cmodern castronomy cwas
observe cthe cphases cof cVenus.
prove cthat cplanetary corbits care cellipses.
measure cplanetary cpositions cvery caccurately.
,It cincreases cby ca cfactor cof c2.
It cincreases cby ca cfactor cof c4.
It cdecreases cby ca cfactor cof c2.
It cdecreases cby ca cfactor cof c4. c- cCORRECT cANS✔✔It cdecreases cby ca cfactor cof c4.
One cstatement cbelow cis cincorrect; cwhich cone?
The crotation cand crevolution cof cthe cEarth care cin cthe csame cdirection.
The cseasons care ca cresult cof cthe cfact cthat cthe cEarth's corbit caround cthe cSun cis celliptical cand cn
Leap cyears care cnecessary cbecause cthe clength cof cthe cyear cis cnot can cexact cintegral cnumber co
The crotation cof cthe cEarth cis ccounter cclockwise cviewed cfrom cthe cnorth. c- cCORRECT cANS✔✔
One cstatement cbelow cis ccorrect; cwhich cone?
In cits corbit cabout cthe cEarth cthe cMoon chas cto ctravel ca csmaller cdistance cto ccome cback cto cthe c
cone cfull cturn cwith crespect cto cthe cdistant cstars.
In cthe ctime cthat cthe cMoon cmakes cone crevolution cabout cthe cEarth cthe cEarth cmoves cthrough ca
cSun.
The cplane cof cthe cMoon's corbit cis ctilted cat cabout c5° cto cthe cecliptic cplane
Because cthe cMoon cdoes cnot crotate cwith crespect cto cthe cdistant cstars, cwe csee call csides cof cthe
cCORRECT cANS✔✔The cplane cof cthe cMoon's corbit cis ctilted cat cabout c5° cto cthe cecliptic cplane
The cmain creason cfor cseasonal ceffects cat cmid-latitudes con cthe cEarth cis:
the cchange cin cthe ctilt cangle cof cthe cEarth's cspin caxis crelative cto cthe ccelestial cequator. cTheSun
cequator cin cour csky, cproducing ca cchange cin cthe cangle cof csolar cradiation con cthe cEarth.
the ctilt cof cthe cspin caxis cof cEarth cto cits corbital cplane, cresulting cin ca cchange cin cthe cangle cof cin
cthe cEarth's csurface cas cthe cEarth corbits caround cthe cSun.
the cvariation cin cthe cdistance cbetween cSun cand cEarth cbecause cof cthe celliptical corbit cof cthe cEa
cintensity cof csolar cradiation con cEarth. c- cCORRECT cANS✔✔the ctilt cof cthe cspin caxis cof cEarth ct
ca cchange cin cthe cangle cof cincidence cof csolar cradiation con cthe cEarth's csurface cas cthe cEarth co
The cMoon cshows cdifferent cphases cbecause:
the cMoon cmoves cslowly cin cand cout cof cthe cEarth's cshadow cin cits corbital cmotion caround cthe cE
the cMoon crotates cslowly cto creveal cmore cor cless cof cits cilluminated chemisphere cwhile cremaining
ccelestial csphere cof cstars.
we cview cthe csunlit chemisphere cof cthe cMoon cfrom cdifferent cangles cas cthe cMoon corbits cthe cEa
cview cthe csunlit chemisphere cof cthe cMoon cfrom cdifferent cangles cas cthe cMoon corbits cthe cEarth.
When cdoes cthe cfirst cquarter cMoon crise,approximately?
At cmidnight
At csunset
At cmidday c- cCORRECT cANS✔✔At cmidday
The creason cwhy ceclipses cdo cnot coccur cat cevery cnew cmoon cand cevery cfull cmoon cis cthat:
the cEarth's cequator cis cinclined cat can cangle cto cthe cEarth's corbit.
the cMoon's corbit cis cinclined cat can cangle cto cthe cEarth's cequator.
the cMoon's corbit cis cinclined cat can cangle cto cthe cEarth's corbit. c- cCORRECT cANS✔✔the cMoon's
cto cthe cEarth's corbit.
The cEarth cis crepresented cby ca c$2 ccoin c(diameter c2 ccm).The cMoon cis crepresented cby ca cdime
, In cits corbit cabout cthe cEarth cthe cMoon chas cto ctravel cfurther cto ccome cback cto cthe csame cphase
cwith crespect cto cthe cdistant cstars c- cCORRECT cANS✔✔In cits corbit cabout cthe cEarth cthe cMoon
cback cto cthe csame cphase cthan cto cmake cone cfull cturn cwith crespect cto cthe cdistant cstars
Leap cyears, cwhich ccontain cone cextra cday, care cneeded cin corder cto ccorrect cfor cthe cfact cthat:
I cyear cis cnot cexactly c365 cdays cbut cabout c365.25 cdays.
the clength cof' cthe cday chas cchanged csince cthe ccalendar cwas cdevised cby cancient cGreeks cbeca
cin cslowing cdown cthe cspin cof cthe cEarth.
the cEarth cspeeds cup cand cslows cdown cperiodically cin cits corbit caround cthe cSun. c- cCORRECT cA
c365 cdays cbut cabout c365.25 cdays.
On ca cparticular cnight, cthe cMoon cappears cmore cthan chalf cfull, cand con cthe cfollowing cnight cit cap
cmoon.What cwas cthe cphase cof cthe cMoon con cthe cfirst cnight?
Waning ccrescent
Waxing cgibbous
Waning cgibbous c- cCORRECT cANS✔✔Waning cgibbous
As cthe cMoon corbits cthe cEarth cand cwe cobserve cits cphases, chow cfast cdoes cthe cterminator c(the
cilluminated cand cdark cparts cof cthe cMoon) cmove cacross cthe clunar csurface, cin cterms cof cangle co
360 cdegrees cin cabout c1 cmonth, cor cabout c12 cdegrees cper cday.
The cterminator cwill cnever cmove csince cthe cMoon cdoes cnot crotate cwith crespect cto cthe cEarth.
360 cdegrees cin cabout c1 cyear, cor cabout c1 cdegree cper cday. c- cCORRECT cANS✔✔360 cdegrees
c12 cdegrees cper cday.
Lunar ceclipses coccur:
every cmonth, cwhen cthe cMoon cmoves cinto cthe cEarth's cshadow cto cproduce cthe cdark cnew cmoo
about ctwice cper cyear, cwhen cthe cMoon cgoes cinto cthe cshadow cof cthe cEarth.
about ctwice cper cyear, cwhen ca cspecific cpart cof cthe cEarth cis cwithin cthe cshadow cof ctheMoon. c- c
ctwice cper cyear, cwhen cthe cMoon cgoes cinto cthe cshadow cof cthe cEarth.
The cSun cand cthe cMoon cappear cto cus ctobe cthe csame csize cin cthe csky. cWe cknow cthat ctheSun
cmeans:
The cdiameter cof cthe cmoon cis cgreater cthan cthat cof cthe cSun.
The cMoon cand cthe cSun chave cthe csame cdiameter.
The cdiameter cof cthe cSun cis cgreater cthan cthe cdiameter cof cthe cMoon. c- cCORRECT cANS✔✔Th
cgreater cthan cthe cdiameter cof cthe cMoon.
What cis cthe cbasic cstructure cof cEarth's cinterior?
molten ciron ccore, cmolten crocky cmantle, csolid crocky ccrust
molten ciron cinner ccore, csolid ciron couter ccore, crocky cmantle, clighter crocky ccrust
solid ciron cinner ccore, cmolten ciron couter ccore, crocky cmantle, clighter crocky ccrust
molten ciron cinner ccore, cmolten crocky couter ccore, csolid crocky cmantle,lighter crocky ccrust c- cCOR
ccore, cmolten ciron couter ccore, crocky cmantle, clighter crocky ccrust
Which cof cthe cfollowing cis cnecessary cfor cthe cproduction cof ca csubstantial cplanetary cmagnetic cfie
Continental cplates cmoving cunder cthe caction cof ctectonic cactivity.
Residual cmagnetism cin cthe crocks cof cthe cplanetary ccrust.
An cancient, ccratered cplanetary csurface.
