8/10/2019 CAPE 2009 U1 P1

1/16

t

AFFLX SEAL

HERE

;

I C A . . ; . f f i I D A T E - P ~ E A S E N O T E I

I

must

sign

belowLand : e t u ~ this booklet

I

r-.

't ~

n . _

wIth

th :

A n ~ w e r S ~ e . e L

.Fallure

to

do so

may

TESTCODEU""1.j

(')0

10

Iresult III

dlsquallflcatlon.

~ . . . r

i T I

i 0=' ') n

F'O&'1TP2009239

Signature _ \ L ~ ' i J

\""l\.LJ_O

9

C A R I B B E A N

E X A l V I IN A T I O N S C O U : - iC I L

AD

\-

CED

PROFICIE:-.i

CY E X A : I I ~

ATI00

PHYSICS

'Cnit

1 - Paper01

9

minut s

( 2 2

Y 2009

(a.m.))

REA])

THE

F O L L O \ V I ~ G

E,STRUCTIONSCAREFULL

Y.

1

ThisLeSl consistsof45items.

You

,yiEhave90minutesto

anS\yeT

them.

-,

Donot

be

concerned

Ihatthe n S ~ k e r sheetprovidesspacesformoreans\vers

Thanthere:are

items

in this

test.

2-

In addition

TO

thistestbooklet,=iOUshouldhayean

ansI-versheet.

4.

Each

item

in this

lesthasfoursuggested

ansvyers

lettered - - ~ . J ,

(B),(C),

Read

each

iteillyou

areabout

to

answeranddecide

vvhich

choice

isbest.

5

Onyour

answer sheet, findthe number

which corresponds

to

youritem

and shadeu1.e space

having

thesame

letter

as

the

answeryouhave

chosen.

Look

atthe

sampleitembelow.

>

\Vbichofthe

fa llo'yvinglists

onescalar

quality

andone

vector

quantiTy?

(A)

force:

velocity

Samplelillswer

(B)

mass:ten1perature

(C)

potentialenergy':volt

CD)

momentum:

pressure

Thebestanswer to this

item

is"momentum:

pressure",

soanswerspace(D) hasbeenshaded.

6

Ifyou

\vantto

change

youranswer,

be

suretoerase it

completelybefore

youfillin your ne',,'v choice.

7.

\::\ihen

you

aretold

IO

begin,tum

the

pageandworkasquicklyandas

carefully

as

you

can.Ifyou

cannotans\veranitem,omit

it

andgoon

to

thenext

one.

Yourscore

\l\till

beLhe totalnumberof

correct

anS\A,.ers.

8. You

maydo

an)' rough

-'i'ork

in

This bookle>t.

9. Figures

are

notnecessarilydra\vn

to

scale.

10.

Theuseofnon-programmablecalculators

isallowed.

DO

l\OT T U R ~

THIS PAGE l T ~ T I L YOI:'

ARE

TOLD TO DO SO.

-

-

C()p)Tight'h:

2009

Cari1JbeanExan-iinati\ll1S

CouncilK.

- 1 11 Ii zhts

~ 5 e r , = = c 1

8/10/2019 CAPE 2009 U1 P1

2/16

- 2

L ST OFPHYSICALCO::\STA.

:- \

is

Universal gravitational COnST.a:::ll

AcceleraTion due 10 2TavivJ

F - .

1Atmosphere

Boltzmann's

constant

Density of-VY-ater

Specific heat

capaciry

Of"\.V2.Tcr

Specific

larem: heat ofvaporizmion of \.vater

Avogadro's number

iv10lar gas constant

Stefan-Boltzmann

constCU l.L

Speed

oflight in vacuum

G

o

c

nn

k

R

c

9.81

ll

3-

2

1.38 X

lO-LJ JK l

1.00

x

10-:

kg rrr::

2.:2 6 x 10

6

J kg-2

.

6.02 x 1 0 ~

perillole

8.31 ]

K-

1

mol-:

5.67

x 10-

8

\V K-4

8/10/2019 CAPE 2009 U1 P1

3/16

- 3

1.

Alllbber

ball ofweight, rVis

suspended

from

a

support

fu 1d

is bemg displaced laterally at an

angle: e

c, from the vertical

by a

wind

of

constant

force

H).

The ball

is

in

equilibrium

and

the

TenSlOn

in

the srrit.lg

is

T

)

. J .

Which

of the

choices

belov,; gives

the

di111ensions of the universal gravitational

constant G

?

lA

kg

)

frequency

frequency

C)

CD)

\

frequency

frequency

19. Stationary waves are produced

by

superimposing progressive ",vayes of frequency 500 Hz. Successive

nodes

are separated

b;.r

a distance

of2

m. Wllat is the

speed of

the

progressive

\-vaves?

(.l\) 125 ll s-

(B) 250 ll

5-:

(C) 1 000 m s-i

(D) 2 000

ll s-:

8/10/2019 CAPE 2009 U1 P1

10/16

- 10-

..

20. 'The

diagrambelo\ysho\vsan

instantaneous

position

of

a

ua.."'1.sverse 'iJlaVe

travellingfromlefttoright

alongastri...ng.

""ave

direction

)

y";/hich

oithe

folloWL."'1g correctlydescribesthesubsequenlmOlion, if any,

ortne

pointsRand

onthe

s r r i ~ T J g

PointR

PointS

CA

)

stationary

downwards

(B)

dO'vvnwards unwards

(C)

dO\VIl\Vards st3.tionary

(D) upwards

dov"TI'vvards

21. Twosourcesofwaterwaves

...-{'"and

Y generatewaveswhichareoutofphase

by

180, If thewaves

fromX areof amplitude5

TIl and the

wavesfromYare

of

amplitude3 l l

which

of thefollowinggraphs

correctlydescribes

the

oscillation

of

aparticle

which

isequidistant

from

OTHXandY

displacement/m

displacement/m

2

2

(A)

(C)

time

time

2

displacement/m

displacement/m

D) 8 i _ ~

time

) time

-8

8

B)

8/10/2019 CAPE 2009 U1 P1

11/16

-

11

22.

The

in[ensiry" of sound is directly

proponional

to the

..A..)

amplimde

of

the oscillation

B)

square

of

the

amplitude of the oscillation

(C) wavelength of the oscillation

D) square of the

wavelength

of

oscillation

23. A

standing wave

is

set up on

a stretched

Srr1..11g

YYas

shown

in the

diagram

below.

f

\\1'.ich of

the follm,-ing statements is correct"

CA.. Oscillations ofPoim:s

and Q

are out of

phase

"vim

each

other.

B)

Pilil:icle

atX

arrives

at Point R one period

later.

(C) Oscillations at i n l S ~ {

and

Q are exactly in phase with each other.

D)

Oscillations

aT Points Q

and

S

are exactly in

phase

vvith

each

other.

liem 24 refers to the

following

diagram which

shows

a stationary wa've on a

string

at one insta..TJ.t in

ume.

mplitude

R

istance

p

24

\Ynere

on this stationary

wave does

an antinode exist?

A)

only

(B)

Q

only

C)

S only

CD

andR

only

8/10/2019 CAPE 2009 U1 P1

12/16

A liquid

floats

in

a container

on

top of

28.

another

liquidY. Light\vhose

velocity

is V

v

strikes theboundary with

an angle of

incidence e In Liquid);:the angle of

refraction

is

ex

and

the'velocityis

; ~ ; :

x

29.

I

vVbich pairofstateITlerrIS

is TRUE ifthe

Yva'velengthDECREASESas thelightcrosses

theboundary?

(i\)

>

ex

v

>

v

x

]I

30.

(B)

fj

>

;::

v

> v

y y

(C)

ex

>

B

V >

V

r

y

y

CD)

>

v >

v

I

."

;"

26.

In a:{oung's two-slitexperiment,light

of

wavelength

500

Dillproducesfringes2 rom

aparton

a screen.

Iflight

ofwavelength

250 Di l l is used

and

the slitseparation is

doubled,

how

farapart\vould

the

fringesbe?

31

CA)

4

mm

(B) 0.5mm

CC) 1

mm

CD) 2

mm

27.

X-raysdifferfrommicrowaves

in

thatthey

(A) cannotbe refracted

(B)

aredeviated

by

anelectricfield

(C) haveashorterwavelength

(D)

cannotbepolarized

\Vllat

is

theratio

f t ~ e

intensityofnvosounds

ifone

is8.0dBlouderthantheother?

CA.)

0.63

(B) 6.3

(C) 80

CD) 10

8

Accommodationinthehumaneyerefersto

(A) thedilation

of

(f1e pupil

to

alIo'.\'more

lightto

enter

theeye

(B) theadjustmentofthelenstofocus

on 0bjects

according

to

t b ~ i r

distance .

(C) changingu.l.e shapeof theeyesothat

theimagefitson theretina

(D) the

useof

lenses

to.correctdefects

illvl.SlOn

Thenearpoint

of

a

defective

eyeis30

cm

from the eye. Ifthe

nonnal

nearpointis

5cmfromtheeye,thefocallengthof lens

needed

tocorrectthisdefectis

(i\)

Scm

(B)

25cm

(C) 30em

(D)

150cm

Which

of t he fol lo wing

types

of

thermometershasthev'vWESTtemperature

measuring

range?

(A) Platinum

resistance

(B) Mercury

in

glass

(C)

Constant

volume

gas

CD)

A..lcohol

in glass

8/10/2019 CAPE 2009 U1 P1

13/16

- 1S

The length

of

the liquid column in a mercury

thermomeTer at ice pomt is 15

rnm

and at

the

steam

point is 220

I l l i t i .

hen placed

in

a

cup

of lea the

length

of the Il1ercury

column

is 195 W..ID. VvDm is the temperature of the

tea,

as

measured

on the centigTade

scale

of

This therrnomeTer'l

'70.6

87.8 ::;C

88.1 ::;C

102.4 ::;C

(A)

(B j

F

(C)

CD)

36.

35.

33.

An immersion heaTer faLed at 150 V/ is fitted

into

a

large

block

Df

lce

at

0

::;C,

111e

specific

latent heat

of

fusion o [he

is 3 x 10

5

J kg-:,

Ho\\' long

does

iT take

to

melt

1

] g of ice'

(A )

(B)

(C)

rnl

\

./

) S

150 s

34

\vruch

of

'the following STatements is/are

TRUE

I.

\\lli1st a

subSTance is

melting

its

temperature

remams

constant.

II.

ne

triple POiIl1 of a substance has

a

constant

value.

III. The boiling

pOUlt

ofa liquid does

nOl

depend on the

pressure

of

the

SQTTOundingS.

CA,)

(B)

C)

CD)

I

only

I and II

only

II and III only

I, II and III

37.

\Vater falls from a

height

of500 m. \ \ ~ h a t is

the nse in temperature

or

the vvater at the

bottom if all the energy gained

is

converted

to

ntenlal

e n e r g ~ li L[ e \ v a t e r ~ j

(A)

C ~ . 1 9

K

(B) 0.14K

(C) 0.49 K

CD 1.1-:- K

_

8/10/2019 CAPE 2009 U1 P1

14/16

- 14 - ..

38. - Vlhich graph BEST represents pressure P

of

a gas

as a

function of its mass vvhen the

gas

is pumped

into a contai-ner affixed \iolurrie and the temperature remains constant:

A)

p

B)

p

I /

~ l

ass

(C)

p

D)

pi

/

ass

mass

mass

39.

vvuich

of

the following statements is NOT

40

\Alhat is the pressure of a gas of density

one

of

the

basic assumptions of the kinetic

0.09

kg m-

3

and root-mean-square velocity

theory of gases?

of

1 900 m

S-l?

(A)

The attractive forces between the

(A) 1.31 Pa

gas molecules are negligible.

(B) 57.0 Pa

B)

The

collisions bet\veen the

gas

(C) 1.08 x 10

5

Pa

molecules are iilelastic.

(D) 1.2 x 10

6

Pa

(C)

The size

of

the gas

molecules

are

negligible

compared to their

separation. 41

The

fITst

law of thermodynamics may be

(D) The duration of a collision is written as 6[ /= Q + W.

negligible compared

V\rith

the time

between collisions. For

an

isothermal process

this equation

becomes

CA )

'J.[j

=

B)

'J.[j

=

rv

C)

CD

Q

=

H

-

6 [

_JfT

8/10/2019 CAPE 2009 U1 P1

15/16

Item 42 refers to the following diagram.

\

\

A

I

\ /

I

1--1

I

\ /

'

\ !

42, The material

SnO\\ln

has length;

;

and cross sectional area .4.

\"\,-hen

a force. F is applied to the 2a::erial

it causes an extension. e iLl the material. \vl:1ich of the following expressicns can

be

used to

d e t e ~ e

the ytung JTloduh.l5 of

the

material?

l

(A)

q

F

B:)

el

e

(C)

l

D;

F=

43.

Vv1uch of

the follow-ing statements about th e molecularmodel

of

liquids are TRL'.t.?

I.

Their molecules are packed closely together.

II. N

eighboull..Tlgmolecules clustertogether and there is a constant transfer

of

molecules betw-een

clusters.

III. The forces benveenmolecules are very- strong.

IV. The pattern ofmolecules is NOT flXed.

CA.) II and I \ only

(B) III and IV only

(C)

I;

II

and

III

only

CD)

I,

II

and 1\7 only

8/10/2019 CAPE 2009 U1 P1

16/16

0

-

-

44.

1'he graph below

,\vas

obtained

by

appl ying

Item 45 refers to

the

follovling dIagram

various forces,

to a

piece

OT

viire and

which

ShO\\'3 the

force-extension graph

of a

'\vrre.

measuring

its length:

1

iN

I

20

r

-c: - - -

f

-

i

60

I . . .

30

l r -

I

1.50 1.51 1.52

?

l im

1 2

e/ mm

vVhat information can be

inferred

from the

45.

Ho \\

much

\vork is

done in

srretchiTlg the \vrre

graph?

from

an

extension

of

1

rn...-rn

to 2 Ir.JIl?

1.

Tne

force constant of the

material

is

(A)

0.015 J

1 0 0 0 ~ m :

lb

0.030

J

II.

The ultimate tensile suess

of the

(el

0.045 J

material

is

about

35

D)

0.060

J

III.

The

strain

at

Xis

3

.

IV.

The material obeyed Hooke's Law

up

to 30N

CA) I

and

IV

only

(B) II

and

III

only

C) II

and 1\7 only

CD III and

IV

only

IF YOU F I ~ I S H BEFORE T I ~ l E IS

CALLED,

CHECK

YOUR

vVORK ON

THIS

TEST.