SOAL LUP
So a l No . 1
Se bu ahl u pd en ga np an j a ngf o k u sl e ns a5c md i g un ak a nu nt u kme me l i h ats e b ua hb en dak ec i l .De ng an a s ums i t i t i kde k atn or ma la da l a h2 5c m,t m, e nt u k anp er b es a r a nl u pu nt u kma t ap en ga ma ma t : a )ma t ab e r a k o mo mo d as i ma k s i mu m b )ma t at i d akb er a k o mo mo da s i c )ma t ab er a k o mo mo da s ip ad aj a r a k20c m ( Fi s i k as t udy c ent er . c om ) P e mb a h a s a nS o a l
a )ma t ab e r a k o mo mo d as i ma k s i mu m Gunakanr umu musl upunt ukma mat aber akomodasi maksi mum
d en ga nPP=p un c t u mp r o x i mu m =t i t i kd ek a tma t a f=f ok usl ens al up b )ma t at i d akb er a k o mo mo da s i Gu n ak a nr u mu mu sl u pu n t u kma ma t at i d a kbe r a k o mo mo d as i
d en ga nPP=p un c t u mp r o x i mu m =t i t i kd ek a tma t a f=f ok usl ens al up c )ma t ab er a k o mo mo da s ip ad aj a r a k20c m
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Gu na k a nr u mu mu sl u pu nt u kma ma t abe r a k o mo mo da s i p ad aj a r a kt e r t e nt u( X=2 0c m)
dengan PP=p un c t u mp r o x i mu m =t i t i kd ek a tma t a f=f ok usl ens al up So a l No . 2
Se s eo r a ngy an gme mp mp un y ai t i t i kd ek a t3 0c mi n gi nme me l i h ats e bu ahbe nd ad en ga nl u p.Ap ab i l aor a ng t e r s e bu ts a atb er a k omo da s ima k s i mu m me ng i n gi n k anpe r b es a r a ns e be s ar5k al i ,ma k aj a r a kf o k us l upy an ghar usdi gunak anadal a h. . . . . c m Su mb mb e rs o a l :
Fi s i k a s t u dy c e nt e r . c o mmMo di fi k a s is o al UMPTN2 00 1 P e mb a h a s a nS o a l
Dat adar i s oal : PP=30c m M =5kal i Mat aber akomodasi maksi mum f=. . . . ?
So a l No . 3
Se or a ngs i s wab er p en gl i h at a nn or ma l( j a r a kba c ami n i mu mn mn y a2 5c m)me ng a ma ma t i b en dak e c i l
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d )p e r b e s a r a nb a y a n g anj i k aa na kme me n ga ma ma t i b e nd ad e ng a nt a n pabe r a k o mo mo d as i Su mb e rs oa l :
Mo di fi k a s iUMPTN1 99 9Fi s i k a s t u dy c e nt e r . c o m P e mb a h a s a nS o a l
a)j ar akf ok usl up Da t a: PP=25c m S=10c m Ma t abe r a k omo da s ima k s i mu m→ b m→ ay a ng anl u pd i l e t a k k andi t i t i kd ek a t / j a r a kba c ama t a ,t a mb mb ah k an t andami mi nus( bayanganma may a)→ S' =−25cm d en ga nr u mu mu sl e ns a :
b)k ek uat anl up
c )p er b es a r a nb a y a ng an
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d )p e r b e s a r a nb a y a n g anj i k aa na kme me n ga ma ma t i b e nd ad e ng a nt a n pabe r a k o mo mo d as i
So a l No . 4
Se or a ngt u k a ngr e pa r a s ij a mt a ng a nme ng gu na k an s e b ua hl e ns al u p( k a c ap emb es a r )u nt u k me l i h atb ag i a nb ag i anme me si nj am.Sa atdi g una k ans es u ai f u ng si n y ab ay a ng any an gd i h as i l k anl e ns a l upt er s ebutmemi l i k is i f at …. A.May a,t er bal i k ,d i per k ec i l B.Ma y a,t eg ak ,d i p er be sa r C.Ny at a,t er bal i k ,di per bes ar D.Ny at a,t egak ,di per bes ar E.Ny at a,t egak ,di per k ec i l P e mb a h a s a n
Si f a tb ay a ng any an gd i h as i l k anl e ns al ups es ua if un gs i n y as eb ag ai k a capemb es arad al a hma y a, t egak ,dandi per bes ar . So a l No . 5
Se or a ngpe t u ga spe mi mi l ume me ng ama t i k e a s l i a nk a r t us ua r ade ng a nme ng gu na k a nl u pb er k e k u a t a n5 d i o pt r i .Apa bi l ape t ug asme me mi mi l i k i t i t i kd ek at2 5c m da nme mp mp er o l e hpe r be s ar a na ng ul erma k si mu m s aa tmen gg un ak anl up ,t en t u ka nj ar a kd i l e t a kk an ny ak ar t us ua r ad id ep anl u p! Su mb e rs oa l :
Fi s i k a s t u dy c e nt e r . c o mmMo di fi k a s is o al SPMB2 00 2 P e mb a h a s a nS o a l
T en t u kanf o k usl u pt e r l e bi hd ah ul u,l a nj u tde ng anr u mu mu sme nc ar i ba y an ga ns eb ua hl e ns a,pe r be sa r a n ma k s i mu md i p er o l e hs a a tma t abe r a k o mo mo da s i ma k s i mu m,s m, e h i n gg al e t a kba y a n ga nd ar i l u p di l et ak kandi t i t i kdek atmat a,j anganl upat ambahk ant andanegat i f .
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So a l No . 6
Se bu ahl e ns abe r j a r a kf o k u s5c md i g un ak a ns e b ag ai l u p.J i k ama ma t an or ma lme ng gu na k a nl u p t e r s e bu td en ga nb er a k omo da s ima k s i mu m,ma m, k ap er b es a r a na ng ul e rl u pa da l a h. . . . A.3k al i B.4k al i C.5k al i D.6k al i E.8k al i P e mb a h a s a n
Da t as oa l : Lup,mat aber akomodasi maksi mum. m.
So a l No . 7
Se or a nga na kme me ng gu na k a ns e b ua hl u pun t u kme me l i h ats e b ua hb en da .J i k ap er b es a r a ny a n g d i p er o l e ha na kt e r s e bu ta da l a h1 1k a l i s a atp en ga ma ma t a nd i l a k uk a nd en ga nma t ab er a k omo da s i ma k s i mu m ma k af o k u sl e ns al u py a n gd i g un ak a nb es a r n y aad al a h. . . . ( Sn=3 0c m) A.2c m B.3c m C.4c m D.5c m
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Lup,mat aber akomodasi maksi mum. m. M =11kal i PP=Sn=30c m f=. . . . . . . . . . . . Da r i r u mu mu sp er b es a r a ns ud utl u ps aa tma t ab er a k o mo mo da s i ma k s i mu m: m:
Se hi n gg ad i p er o l e hf o k us n y a:
So a l No . 8
Se bu ahl e ns abe r j a r a kf o k us4c md i g un ak a ns e ba ga il u p.Ag arma t ame l i h att a np ab er a k omo da s i , mak al e t akbendat er s ebutdar i l upadal ah. . . A.2c m B.3c m C.4c m D.6c m E.8c m ( Eb t a na s1 9 90 ) P e mb a h a s a n
Dat adar i s oal di at as : f=4c m Ma t at i d akb e r a k o mo mo da s i s=. . . . Sa atma t at i d akbe r a k omo da si ar t i n y aba y an ga nd i l e t a kk anp ad at i t i kj a uhma t a.Un t u kma t ano r ma l , t i t i kj hm t d alhtk tkb hi
( ) hi
j kb
t
' d
l dit
d alh∞
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Ke s i mp ul a nn y aa da l a h" Sa atl u pd i g un ak a nu nt u kma t at i d akb er a k omo da s i ,b en dad il e t a k k anp ad a f ok usl ens al up" . 1 )P er h at i k a nma c amma c am l e ns ab er i k u ti n i : ( 1)l ens ak on v er gen ( 2)l ens adi v er gen ( 3)l ens ak on v ek ( 4)l ens ak onk af J en i sl en s ay a ngbi s adi g un ak a ns e ba ga ik ac apemb es ara t a ul u pad al ah . . . . A.1d an2 B.1d an3 C.1dan4 D.2dan3 E.3d an4
2)Sebuahl ens ay angmemi l i k ipanj an gt i t i kf ok us4c m di gunak ans eb ag ai l up.J i k at i t i kdek atmat a a d al a h3 0c m ma k ap e r b e s a r a nl u ps a a td i g u na k a nd e ng a nma ma t ab e r a k o mo mo d as i ma k s i mu m adal ah. . . . . A.6, 5k al i B.7, 5k al i C.8, 5k al i D.9, 5k al i E.10, 5k al i
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B.2, 50k al i C.3, 75k al i D.4, 00k al i E.5, 50k al i 5 )Se or a ngan akme ng gu na k a ns e b ua hl u pu nt u kme me l i h ats e b ua hb en da .J i k ap er b es a r a ny a n g d i p er o l e ha na kt e r s e bu ta da l a h1 1k a l i s a atp en ga ma ma t a nd i l a k uk a nd en ga nma t ab er a k omo da s i ma k s i mu m ma k af o k usl e ns al u py a ngdi g un ak a nb es a r n y aa da l a h. . . . ( S n =30c m) A.2c m B.3c m C.4c m D.5c m E.6c m 6 )Se bu ahl u pme mi mi l i k i f o k usl e ns a5c m.J m. i k at i t i kde k atma t aad al a h2 5c m ma k ap er b es a r a ny a ng d i h as i l k a nl u ps a a tma t ab er a k o mo mo da s i ma k s i mu ma da l a h…. k a l i A.4 B.5 C.6 D.7 E.8 7 )Se bu ahl u pd i g un ak a ns e hi n gg ame ng ha s i l k a np er b es a r a n1 0k a l i s a atma t at i d akbe r a k omo da s i . J i k at i t i kd ek a tmat aad al a h30c m mak af o k usl e ns al u pa da l a h…. . 1 A / . 3c m B.3c m C.2 0c m D.4 0c m E.3 00c m 8 )Se bu ahl u pme mp mp un y ai j ar a kf o k us5c md i p ak ai u nt ukme me l i h atb en dak e c i l .J i k al u pt e r s ebu t d i g u na k a nu nt u kme n ga ma ma t i b e nd ad al a m wa k t uy a n gl a mad ma a nd i g u na k a np en g a ma ma ty a n gma ma t a n y a me mi mi l i k i t i t i kd ek at25c m.Mak m. abe nd aha r usd i l e t a kk a nd id ep anl u ps e j a uh… .( d al am c m) m) A.5 B.2 0 C
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ma k si mu m ma k ak ar t us ua r adi t e mp mp at k andi d ep anl u pp ad aj a r ak . . . . . c m A.5, 5 B.6, 5 C.7, 5 D.8, 5 E.9, 5 1 1)Se or a ngp en de r i t ahi p er me t r o py a ngme mi mi l i k i t i t i kd ek a t5 0c ms e da ngme ng gu na k ans eb ua hl u p d en ga nma t ab er a k omo da s ima k s i mu m.J m. i k ape r b es a r a ny a n gd i p er o l e ho r a ngt e r s e bu ta da l a h5k al i , ma kak ek u at a nl e ns al u py a ngdi p er g un ak an ny as eb es a r . . . . . A.12, 5di opt r i B.10di opt r i C.8di opt r i D.7, 5di opt r i E.5di opt r i 1 2)Se bu ahl u pme mp mp un y a ij a r a kf o k us5c m,d m, i p ak a ime l i h ats e bu ahbe nd ak e c i l y a ngbe r j a r a k5c m dar i l up.Per bes ar anangul arl upi t uadal ah. . . . A.2k al i B.4k al i 1 C.4 / k al i 6 D.5k al i 1 E.6 / k al i 4