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

5/14

.

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