B:'.11-9:'l -l

Tingkatan 4

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1 Diagram 1 shows a light ray travelling liom air@ into u'ater / Rajah I menwiukkan satu si ar cahaya

merambat dari udara ke dalam air: NormalLrghtfxy. : 1."*,

Slr?ar !a/,dl,u \ 1\o'; Air

_ \i u.l"fr

:::: :::.:.:::;::::::::::::: -r"

Drugram I Rajah IWlat happens to the light ray in the water?Apakah yang berlaku kepada sinar cahaya

5 Diagram 4 shows a periscope with two prisms, XlzoTjl and y. / Rajah 4 menunjukkan satLt.periskop dengan dua

prisma, X dan Ytzs- lighr Fom objeclLxl . . aha)a dar. objeal-t

Observer | |Penterhati | |{_@

Diagram4/Rdjah4Which arangement of prisms -{ artd I is correct sothat the observer can see the image ofthe object?SLtsrnatl anakdh yang betul b.igi prisma X dan Y supayapemerhati itu ddpdt melihat imej objelc it ?

T;--7,|/

6 Diagram 5 shows students P and p standing in front@ of a plane mirror at a distance of 3.0 m and 9.0 m

respectively. / Rajah 5 nenuniukkan nurid P dan Qberdii di hadapan sebuah cermin satah masing-lndsingpadajarak 3.0 m dan 9.0 m.

Diagtam5/Rajah5What is the distance between student 0 and theimage student P?Berapakah jarak antara murid Q dengan imej tn rid P?A 6.0 mB 10.0 mC 12.0 mD 15.0 mxx

N=fIV

A

7 Diagram 6 shows a convex lens producing an upright@ and virtual image.

Rajah 6 menunjukkan kanta cembung yang menghasilkanimej tegak dan maya.

Dragam'/Rajah6Which optical instrument uses this anangement?Alat optik mahakah yang menggunakall susunan ini?A Camera / KameraB Slide projector / Projektor slaidC Telescope / TeleskopD Magnif ing glass / K.rnta pembesar

8 An object of 3 cm height is placed 15 cm ftom a@ convex lens. The image is formed 30 cm from the

lens. What is the height of the image?Satu objek yang berketinggiall 3 cnt diletakkan 15 cmdari kanta cembung. Imej terbe tuk 30 cm dari kanta.Berapakah ketinggian imej itu?A 1.5 cm C 4.5 cm

D 6.0 cm9 A coin is placed in a beaker When the beaker is

@ filled with a liquid to a height of 13 cm, the coin isseen at the position of 3.0 cm lrom the bottom ofthebeaker What is the refractive index ofthe liquid?Sekeping &it syilittg diletakkan ke dalam sebuah bikaxApabila bikar diisi dengan suatu cecair sehingga keketinggian 13 c , duit syiling diperhatikan berada dikedudttkan 3.0 cm dari dasar bikar itu. Berapakah indeksbiasan cecair iht?A 1.30B 4.33c 0.23D 0.77

B 3.0 cm

Lens

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P.^Dr 1 | kar!^. 1 Tingkatarl 5

I Which wave pattem is colTect when waves passltolil through an obstacle?

Corak gelombang nanakahyang betul apabila gelombangmelalu i.ecttu halangaft?A obstacle C obstacle

2 Diagram I shows an interference pattem.Ettl naian I menunjukken satu corak intedere s.

Crest

*l+'frytl

Source 1

i.5 cm 2.0 cmSource 2

B obstacle D Obstacle

utNtrll] ffi,rrDtagram l / Rajah I

What is the wavelength of the waves?Berapakah panjang gelombang gelonbang itu?A 0.25 cmB 0.30 cm

C 0.45 cmD 0.50 cnl

3 What changes to the &equency, amplitude and@ wavelength ofsound waves when it is reflected?

Apakah perubahan yang berlaku kepada frekuensi,amplitud dan patljailg gelontbang suatu gelombang bunyiapabila dipantulkan ?

lncreasesBertambah

DecreasesBerkurang

DecleasesBerkwang

IncreasesBeltambah

UnchangedTidak berubah

UnchangedTidak berubah

UnchangedTidak binrhah

IncreasesBefianbah

DecreasesBerkurang

UnchangedTidak berubalr

DecreasesBerkurang

UnchangedTidak berubalt

Key / KunciL- lo\rd sound / butxyi kuLtt'W- weak sound / buyi lemah

Dragram2 / Rajah 2What happens to the distance between two adjacentloud sourds ifa thicker string is used?Apakah yang berlaku kepadajarak antara dua butryi kuatyang berturutanjika t.tli yang lebih tebal digunakan ?A Decreases / BerkurangB Inqeases I BettambahC No clrange / ftada perubahan

Vibration signalftom a thin string

LoudspeakerPe hesar srdru

d'1-rr--lr_-ll

--l-lAmplifier{

L

L

L

D

4 Diagram 2 shows an interference pattem of sound@ nares produced by vibrations o[a thin srring.

Rajah 2 menunjukkan suatu corak interfercns gelornbangbunyi yang dihasilkan melalui geterall seutas tali halus.

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5 Diagram 3 shows the displacement-time $aph of a@wave.

Rajah 3 menunjukkan gra"f sesaran-masa bagi satugelombang.

Diagram3 / Rajah 3What is the frequency of the wave?B ercpakah f elcuensi ge I on b ang ?A 0.8 HzB 1.25 HzC 0.4 HzD 2.5 Hz

6 Diagram 4 shows a holley attached to two similar@ springs and vibrating horizontally.

Rajah 4 menunjukkan sebuah troli diikat pada dua springyang serupa dan bergetar secara metlgufuk.

Diagtam4 / Raiah 4If the experiment is repeated on the Moon, whathappens to the frequency?Jika eksperimerl itlt diulangdi Bulatt, apakahyang berlakuke atas f ekellsi getarun?A. Ir,clease / BellambahB Dectease / BerkurungC Remain unchan ged I Tidak berubalr

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