cxc2000p1
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-
8/18/2019 cxc2000p1
1/14
'PffS
une
t
gram
s equal
o
(A)
10
nriiEeres
(B)
100
Erill;grarrs
(A
'.
1000
milligra-os
(D)
I0
00O
mJlt;graros
3-1415926
xgrcsscd
TWO
sipificau
figurcs is
{A)
-.
3. t
(B)
3 . i4
I L J
) . :
(D)
3I
? r t a - a r n <
(A)
2.r 10"
m
G )
2 x l d m
( C
2 x l 0 - r m
@ ) . 2 x i 0 - 5 m
v/hich
of tbe oilowir,g
ns l{O
unia?
/ a )
(B )
\L) l
Veiocicy
Relative
dcusiry
Encr5f
MocgnRrm
- z -
d . i , , ,
nl
U
V
c\).
:
T:
\)
a4
{
U)
Z
F
=
X
f r ' l
ir
z
f r l
1 r
J ,
r' j
2
t-
:
:
i
r
l - i
i r
r '
f ? 1
U)
. :
l A :
\L
l-
6-
:
;'
2
r -
.t
2AA0
qlhich
of thc
foUorring-erergrsoures'is/
-
arc
rcaewablc?
L
Solar
radiariou
II.
Wird
ercrgY
EL
Fassil
fu€ls
(A)
I
ooly
(B) tr
and
tr
oaIY
(q I aud tr ocIY
g) )
lenr l [6s ly
if
an objecr
is raoving
along
a sr:rf:ce
wirh
a
c€nsr:Dlrc€leration'
dte
nerforce
actlog
cn
ile
objcc:
is
(A)
m
G)
ccdsta!,t,
(Cl
iacreasbg
(D)
decreaslg
IA
I
U
Y
T
t
Wtrich
ofthe
foliowinginsaruraas is BEST
suircd
forocasuriog dlc
di:ne'r
of a soiand
of hair?
(A)
Rulcr
(B) Veruicr
ca-llipcrs
(C)
Enginee/scailipcrs
@)
lv6cromcter screw
gauge
Which
of thc following is NOT ;u
5I basc
unit?
(A)
lFl '\
(D )
kg
t
-
8/18/2019 cxc2000p1
2/14
'
- J -
Amango
haag:
rou,along
srcm
n ascoag'
horizoncal
brqe. Which
of
rhe diagraru
bclow
BEST regreseac tfie
forces acting
on dre
maago2
- .-
- l tF :*
i0.
,
Tasioc
\t.o.-
(A)
\
\-i-*
I
i
W"gh"
CD)
f
Id'
I
!r
selr
\ )_-Wind
l**.
/Te"
/ - *
f!-*-a
v
11.
i**,
Two Lig!(
ajr:mrniums-ohercs,A
ndB,
are
susoendcd
y insuiari'g
fireads.
If ihey
coEe
co
rcsr as
shown
in the
diagrao-
ihe
ibrcs keeping
cben
apafi
s
(A)
gnvitariouai
forc:
(B)
elecrwrarjc
tbrce
(C) magnctic orce
(D)
ceuripctal
forc:
A stabie
weil{csigneci
racing
car
must
have a
(A)
low c,eaoe
f
g=viry
(B)
uarrow wheel
base
(C)
sun oof
@)
loog
fronr
Tasion
i[nrE
:+Wind
-
8/18/2019 cxc2000p1
3/14
-
8/18/2019 cxc2000p1
4/14
.
- ) -
t6-
The
kincric
encrgT
of
a
body
of
mass,
m,
and
velociry,
y,
is
/ A _
m
\ .
r /
(B)
mv
I
1A
\ 9 /
/
lu)
nN '
17.
WUch
of
che
o[owiag
g,res
Lhe
effrcienc,r
or a rr:chine,
(A)
Load
x
Distoqe
moveC
v
Efon
!.
I naot-
I
lnn('^
I
.- 100?o
I
Efforr
x Disraoe
ooveC
bv
EEon
Load
x
Disane
ooved
by
Load
EEcn
x
_Distancs
moved,
v
Lcarj
Lcad'
x Ulsiane
oovi
bv
EfinF
ursunc:
ooved
by
Loaa
rR )
(q
@)
t d -
The
diagram
above
shows
a d,ant_
The
pressure
q
gfiq
.trm
ar
the
botrom
of
the
i'eservoir
depends
on
thc
(A)
depch
of rfre
warer
(B
)
volurne
of warer
held,
y
the
dar:r
(O
rnass
of
warcr
heid
by rhe
t,m
@)
lcngrh
of
ctrc
eservoir.
19.
When
liquids
X and
y
are
uken
from
boclcs
ar
room
temDerarurcs
nd
rt_bbed
oo
the
back
of
your
haad.
X
feeis
cooier
rhrn
f.
The
IVOST
ikely
ieason
s
rhar
(A)
XhasafugJrerloeaficheercaoaciw
rh ra V
(B)
Xisaooorcrcooducrorofhearuhan
Y
!C)
X evaporarcs
more
quickly
rhan
y
@)
X
is less
densc
chan
utsrrrce
EoveC
by
Ef,cn
-
8/18/2019 cxc2000p1
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.
Which
of
tbe
following
wouldexglaia
why
an
ordinary
0
-
lI0
"C
laborarory
ther-
'
foo-eer is ooc
uscd
b
measure
hnman
body
tenperanrrc?
;:"
1.
: - . .
Which
of thc
foliowing
diagra-arBEST
illustrares onvecciou
urrenr
n
a
iquid?
l , a )
Buseu bumer
Bu.oser
buraer
Bursea
buroer
, , ) l i r r l
7a
tr
t[.
thg reading
would
cbange
when
the therooo;tcris
rakea
rocs
ic
paticut's
mourb-
It
is noc crsirive
enougb
neasue
-
8/18/2019 cxc2000p1
6/14
- l
5:
-Y-Cg?g]s
doablc
slit
eqcrnncar
dcao-
sg.cs
gfiart;grr
(A)
has
apardclc
nzare
P
prodlcgi
sbarp
m,ges
(Q
uzqajsjn
"fidgfuIfo.
(D)
is
a;wave
uouoo
:
26-
Whicfr
of
6e
foilowing
is rhccoqecr rela_rion
berwe=o
Crc wavcicngrb,
t;;;
ard
frequctcy,
1,
of
r wa,*e?
( A )
L = w
.I
@ )
. f = *
}:talt" tclow ijss thcre&sdvc i,rdiccs
for
ligirr
of
forrr
difereat
mzaiajs
itrEl3rcfea
6
s[6
nrroreipssraphs
(widr
axcs
hags
rtg
..ft.
,olcs)
;o""-r;;;
rt,avca'
P and
e-
= -
I
- 3
u
/c.)
7,.
Mst€ual
Refractive
In'|.-
A ;
i-0
Icc
Perrycx
Diaoond
. J )
Air
Ice
Perryex
Pi.nnqd
2&
Whic,b
of
6c
foilowilg
g",-r.rlc
is
tuc?
!
wluth
mcdirm
ryould.$c
ligit
wavcs
bave
bc
sloc/cst
pc€d?.
P,is.ioudcr.6ar
Q
bur
e
has
a
nr8!€r
Ditcil
P.T
]ouOo
6-
e,"a
atso
has
a
otglarpitrt
r{rzn
O.
Qis
loudcr6aup
burpbas
ahighcr
pitc!-
I F.It"dtt
tA'n
P
aad
also
has
a
higicr pitchrhqnp.
Thc.aormal
ccingnngc
of
ayoungpersou
s
abour
(A)
?l Ezlo}(ff Ez
(B)
?&Eznn(frHz
(C)
2ffil+zro
2
0e
Ez
CD)
-2fitigbzomoHI
(A)
(3)
(q
@)
29.
(A)
@)
-
8/18/2019 cxc2000p1
7/14
- 8 -
30.
Ia
the
dcctornaguctic
;p"hr*
X_rrys
are
berwecu
C]
ganna
rays
aad
ulra_violctrays
(!).
ulca:rioicr
raysard
visibic
iiji
9.
visibl€
ligh!
ard
infa-red
rays-
@)
inta-rcd
rays
ard
radio
uraves
aftc
diaSan
ri:ove
rcprescos
an
cbjc=
p
a.!C
in
rront
of
a glaac
mirror.
Wlic.r:
of
tirc
foilowilg
BEf,f
rcprcscars
6c
imag:
produ€d by theplanc
EiEor?
IT* :f
e"
foflowing
o€s
OT
suggest
eatfCfu
uzvels
*,aigitlincs?
Srubcass
sacaning
trocgt
ece:
A
rairbow
foqatiba
iu
tbcsky
Tbc
foroadqa
of
sbadoss
Ugirtom
aproj€crorou
i8way
o
A
ray
of
ligir
ia
air
srikcs
a
glass
tcct
ar
3
-gi.
of
iuc:dclcc
of
0".
T.oc
gnt
y.in
c€
3L
/ a )
@)
(q
p)
(5 /
\'-rr
rn\
ftru*minor
u
t
V.
v.
V
undcviarcd
lotally
efrerr..{
rqfractcd
at
90"
to
aorrnal
retZCed
41
2q
rrni-ngq;q
mglg
(A)
F)
(c)
@)
(q
@)
Which of &c. dagrans BEST rcprcscna
tttc
Passage
f
abcao,ofwfrir.
lighr'rbrcugh
a
riangular
Ejass
p,risa?
-K
-k
-A
-A
(A)
(D)
-
8/18/2019 cxc2000p1
8/14
- 9
?4
I
(D)
Ia th€
disgran
abovqftc
inidatrays
ofligfirioo.
an
objcctarc
araild
Whcre
wilI
6c
iuage
oitrc
oU,iect
be
rcrscd?
36.
Tbc
diagrdn
above
hows
6c
forsadou
of an
mage
bya
(A)
-
lcus
-Tna:r
(B)
Ctl,
holc
c:urcra
(C)
-
ricsco_oc
@)
--mi?irggiasr
t7.
Thc
currcur
u
a wire
is
oc
amrcre
f
a
oharge
f
(A)
l0couioobcflorrstrcughititr.l0
sccond<
(E)
I
corrlonrb
lo*strcugh.irin
1:0
sccoods
(C)
l0'coulonhs
flow
&rougfi
t
in
1
sccoud
(D)
I00coulombs
low
drougi:
tin
t0
scconds
3&
Whch
of
&c
following
rcIarionships
c_
rpeca,
l€ctical
qga4ritics
s
correcd
( A )
V = P I
(B)
R
=
vl
t r
(C)
O =!-
V
(D)
E
=
VI
-
8/18/2019 cxc2000p1
9/14
.Which
of trc
followiag
diagraes
repr+.
scoB
thc
clcctrt
ficld
cxisting
betweco
rwo
opposialy
clrged
poinrchagcs?
(D )
4 \
+ a
\ F
Which
of rlrc
ollowilg
rarios
could.rcare-
scnt thc ampcrc?
t Coulorab
L
Sccond
4L
(^)
(3)
Which
sf tbc
bllowiag
unia can
bc uscd
o
rlc3surequantirics
f encrgy?
L louie
tr
Couioob
III-
Ktrowat-hour
I
oaly
I udtr
oaiy
I
and
tr onty
II and tr onty
In
which
of dc circuG
bclow would
trc
octcns
givc
readings
whicb
would
euable
yoq
!o
dcr.minc tlrc
rcsisance
of
*rc
6ia-
rnenf
aroO?
(B)
(c)
(D)
(a)
(B)
(c)
(D)
n
Voh
&
Ohn
III.
Waa
Volt
(A)
I only
(B)
I and
IiI only
(C)
tr
anci
tr oniy
(D) L II and II
-
8/18/2019 cxc2000p1
10/14
, u -
Which
of thc
follorying
iia.raprcscora*ieo
of &c
currcor/pd
Eisiorrship
foramctal-
Iic
cgn'h'6g1
ar
a co'nst&l.lgnpcraore?
'A-u
appliaacc
s councsed
o
tbc
rnain<
y
acablc
which
has hrcc
wirEs-
Wbat
colour
should
tfrc
insularion
bc on thc
wirc
connectcd
thc
firsc?
(A)
Brown
(3)'
Black
(q
Blue
(D) Greery'yellow
A s!:.fat
require
a circuit
o
mcasr.rrc
rc
rcsistalcc
of a
rcsistgr- Whicb
of
&e
cir_
c'iB
cclow
is cmcc$y
conncctcd?
r+f-r
@
t*rvr,.-.ej
9 e
--.---Jl
J
r--h
l ^ l
gv)_j
1 " ( b
L_{wV_j/
@)
-
8/18/2019 cxc2000p1
11/14
ea
cxpcnncnr
was
conciucted
r:sing
thc
circuit
diagrams
shown
above-
Ine
=-e
corrrDouellts
wcrc
uscCand
6c buib was
lit
o
ncrnai
bngieess
i!,
each
c"""-
Which
of
&e
lbiloudng
sarcmcoe
would
bc
corret?
Thc
bulb
is
dcl-ecive-
Thc
baccry
is dcfccrivc-
Tbc diodc is dcfecave-
(A)
I ouiy
@)
Itrouly'
(C)
Iandtrooly
@)
tr aud
Itr
only
A
scmi-cosductor
d.iocic
produccs
lralf-*avc
rectificatiou
of altcraating
cur-
rcnr
Which
of tbe
following
statcnrcns
would
be
ute?
L Tbccurrcatobaiacdhasaconstant
valuc.
IL
Tbc
crrrrcntobtaincd
flows
only
in
onc
direcdon-
m-
Thcrc
ae
periods
whcn
no currcat
.
flows
from
tbe
sourc!.
I only
tr ooty
I and
tr
ou.ly
tr
and
tr
only
A nrspcadcd
la'm'grre!
always
sctrics
(A)
with
ics
N-poie
pointing
norrh
(B)
yirh
ia N-poie poiucing
soudr
(q
.oerpendicuiar
to
rhe
Earrl's
m-g"ctic
frCd
(D) opoositctodcCirecdoofromwhich
ir
surrcd
Wtici:
of thc
following
snows
he
shapc
of
thc
magletic
field
around
a
stajghr
ccn-
duclarDerE€nciicularo
-he
age
and
cariv-
ug
cumnt
NTO
tic
oage?
/ / , ,
I
( ( (
4{L
49-
4
\ t . 7
\'t
/
/ i \
v
(A)
t-
tr.
E.
47 .
(B)
(c)
D
D)
(A)
@)
/'n
(D)
-
8/18/2019 cxc2000p1
12/14
E" - -
J t .
tr
Tlc ciiagraas
above
cpescnr
$c
eiccttc
ficjcjs
qormC
3
*1*"
ryrat
cirargrs
anri
g.ralicl
plarcs
as
drasro
by
a
sardcnr
Whicb
of
6c
d"gr*r;;;;
(A)
lenriIsaiy
@)
I
ad
trI
oaty
(C)
E'andlfouiy
(D)
Lt raadE
ILrE
52
rcfcrs
ro
6c
lbllowiag
diagras-
hrrt
cril
Sccoudary
Thc
diagram
a.bove
shorrs
a
rypical
rclay.
Tbc
part
labciled
P
uurst
!s
-,1-
e6
(A,l
(B)
@)
lroE
copPcr
plastic
brass
Aggro.wiaa
labcis
for
g/
,,.1
X
woulci
be
W X
S]
*cpdowu
ar-
iupur
CB)
stegdowu
ansfrocr
dc-
input
fl
sctrqp
tran:fonacr
".;p";
(D)
s+up
trarstr@s
ds.bpot
-
8/18/2019 cxc2000p1
13/14
'Aa
ciecricity
compary
zupplies
ac-
bur
not dc-
b lhc
@osr,nrcr.
This is
b€causc
ll5 gencralonr
carnot
pod]re
dc-
most eiccui-qi
ryplianccs
c:nnor
run
oo
d
c-.
as-.canbi
grncratcd
ar
a
tr'ghr
voltage
thd!
d-c-
a.c: can
Uc'uansmitted
rrore
efficienrly
rhaudc.
Tbc diagram
bciow
shows
rbe.shcil
model
of an arom-
Eeciroa
Which
or'hc
following
snremcoe
is/are
Tbc mass
aucleoa)
nr.urirr
is
Lt-
Thc
arsmic
(poton)
number
is 5.
The aroo.showo
ia thc
diagam
is
positiveiy
charye4
I oniy
tr
only
t
and
I
oaly
L
Iardttr
Wbca
alptra
psrtictes,
6aa particles
aod
ganna
rap
frsm a radioacdve
sourcc
are
srbjectcd
to
a
trarsvqrsc
mrgncd6
figlcl,
which
of theu
would
NOT
bc
dcviacd
from
tbcir
origiral parh?
L
Alpha
tr- Bcta
III-
Cana
(A)
tr only
(B)
itr
only
(C)
I aad
ronJy
(D)
II
and
III ouly
(A)
(B)
tL l
@)
*{.
Thc wirc
in rhe
diagrao
above
will
move
(A)
owads
N
(B)
owards
S
(q
into
rbc
paper
@)
-oolof,h.prpo
fn
the
scancring
cxpcriioeut
coudr:cred
by
Geig"r
and
lv{arsdcu,
so--
of drc aipba
particics
were
dcfl.cr-d
Thc
explanation
for this
phcnomcnou
i: that
(A)
clcctroos
bave
s
-rnrll
6253
G)
elccuons
have
a small charge
(C)
thc
mctal
foii
was
only
tr 6ry
rrn1s5
rhick
@)
thc
nuclcar
ctrarge
and
mass
are
.
conceafatcd
in
a small
ysinna
The
nuclidc
of
aa
cicocnr
)C s.n
bc rcprc-
scntca
as
I
K
What
docs
tbc lcacr
A
rcprescnt?
(A)
hoon
numbcr
(B)
Elcmenr
symbol
(q Ncuson nqrnbq
I
I t
m
r A l
rEl\
rn
(D)
5&
50-
-
8/18/2019 cxc2000p1
14/14
Which
of
Sc
foilowilg
qrr'-r*-''r"
about
&c
ergrcssioa
E
=
nrcz
would
bc
trsc?-.
i
tta.n
r=bcrr:-rrrrrwneur4rtbat
Iigirrca
bava
IL
B
rcgescos
gg
frd!
rlt?r nas
ca
bc
coavcrtcd
ino
cocrg.
IIL
It
rcgrescaa
orie
of
6"
m,jor
er.hirvcmcos
of
Rrtlbst-ud
troly,
I
*nr;
r
61t
tr
aud
tr
ouly
I
tr
aadItr
trtat
is ibc
rn o
urmbcr,
A
ald
aomic
ilnb
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