UJIAN SETARA 2015FIZIK TINGKATAN 4

Name: . Form: 4 .PART A: Write your answers on the space provided at the end of questions.

Tulis jawapan anda pada ruang yang disediakan1Which of the following is NOT a base unit? Di mana kah antara berikut bukan unit asas ?AJoule BAmpere

CKilogramDSecond

6

Which of the following is a derived quantity? Mana satukah yang menunjukkan kuantiti terbitan ALengthBMass

CTemperatureDVoltage

2Which of the following prefixes of units are arranged in descending order of magnitude? Yang manakah antara imbuhan di bawah yg disusun mengikut tertib menurun?Adeci, micro, centi, mili

Bdeci, centi, mili, micro

Ccenti, deci, micro, mili

Dcenti, mili, micro, deci

7The Hitz FM channel broadcasts radio waves at a frequency of 92.8 MHz in the north region. What is the frequency of the radio wave in Hz? Apakah frequency 92.8 MHz dalam Hz ?

A9.28 x 104B9.28 x 105

C9.28 x 107D9.28 x 1010

3Which of the following frequencies in Hz is the same as 150.2 GHz?Yang mana satu di frekuensi berikut Hz adalah sama dengan 150.2 GHz??A1.502 x 10-7B1.502 x 107

C1.502 x 1011D1.502 x 109

8108 km h-1 is equivalent to

A20 m s-1B30 m s-1

C50 m s-1D60 m s-1

4A, B, C and D show he shooting marks on the target. Which of the following show the highest precision? A, B, C dan D menunjukkan papan tembakan, mana satukah antara papan yg menunjukkan kepersisan yang tinggi?

AB

CD

9Which of the following shows the correct conversion of units? Antara berikut yang manakah menunjukkan penukaran yang betul bagi unit?

A2.9 MV = 2.9 x 109 V

B90 A = 9.0 x 10-5 A

C0.06 GJ = 6.0 x 109 J

D35 dm = 3.5 x 10-1 m

5Which pair is correct?Manakah antara pasangan berikut yang betul ?QuantityS.I Unit

AForce kg m s-1

BDensitykg m-2

CAream3

DAccelerationm s-2

10Which of the following measurements is the shortest? Yang manakah di antara berikut adalah ukuran yang paling pendek?

A3.45 x 103 mB3.45 x 104 cm

C3.45 x 107 mD3.45 x 1012 m

11Four students A, B, C and D use metre rule (R), vernier calipers (V) and micrometer screw gauge (M), to measure the thickness of a book. The measurements obtained are recorded in a table below.Which record is correct?Empat pelajar A, B, C dan D menggunakan pembaris meter (R), angkup vernier (V) dan tolok skru mikrometer (M), untuk mengukur ketebalan buku. Pengukuran diperolehi direkodkan dalam jadual di bawah.Yang rekod yang betul?R (cm)V (cm)M (cm)

A4.2134.214.2

B4.24.214.213

C4.2134.24.21

D4.214.2134.2

12What is the reading on the vernier calipers in figure above?A6.18 cmB6.08 cm

C6.80 cmD6.10 cm

13What is the use of the strip of mirror in the ammeter? Apakah penggunaan jalur cermin dalam ammeter?ATo avoid parallax errorUntuk mengelakkan ralat paralaks

BTo allow the current to flow easilyUntuk membenarkan arus mengalir dengan mudah

CTo enable the reading to be taken easily Untuk membolehkan bacaan yang akan diambil mudah

DTo reflect lightBagi memantulkan cahaya

14Which statement is true?AVoltmeter X is more accurate than Voltmeter Y.Voltmeter X adalah lebih tepat daripada Voltmeter Y.

BVoltmeter X is more sensitive than voltmeter Y. Voltmeter X adalah lebih peka daripada voltmeter Y.

CVoltmeter X is more consistent than Voltmeter Y.Voltmeter X adalah lebih persis daripada Voltmeter Y.

DVoltmeter Y is more sensitive than voltmeter X.Voltmeter Y adalah lebih peka daripada voltmeter X.

15

What is the reading on the micrometer screw gauge in figure above?

A 4.21 mmB 4.71 mm

C 0.421 mmD 0.471 mm

16Which of the following is NOT a scalar quantity?

ADistance/ jarakBSpeed / laju

CDisplacement / sesaranDDensity / ketumpatan

17What is the speed of a cheetah if it sprints 100 m in 4 s?

A2.5 m s-1B25 m s-1

C5.0 m s-1D10 m s-1

18

The picture shows two ticker tapes. Tape A was attached to trolley A while tape B was attached to trolley B.Which of the following statements is true about those trolleys?Gambar menunjukkan dua pita detik. Pita A mewakili troli A manakala B pita mewakili troli B. Antara pernyataan berikut yang manakah benar tentang troli tersebut?

ATrolley A is faster than trolley B.

BBoth trolleys move at the same speed.

CTrolley A has lower speed than trolley B

19Which of the following statements is false?

AVelocity has both magnitude and direction. Halaju mempunyai magnitud dan arah.

BDisplacement is a vector quantity.Sesaran adalah kuantiti vektor.

CAcceleration is the rate of change of displacement.Pecutan adalah kadar perubahan sesaran.

20Which of the following statements does not indicate zero acceleration? Manakah peryataan berikut yang menyatakan pecutan 0?AA stationary car.Sebuah kereta bergerak

BA car is moving at constant velocity.kereta bergerak dengan halaju seragam.

CA car is moving with an increasing velocity. kereta bergerak dengan halaju yang semakin meningkat.

PART B: Write your answer on the answer space.

1Convert the following:

a) 55 cm = ___________ m or ____________ x 10____ m

b) 56 MJ = ___________ J or _____________ x 10____ J

c) 9.8 mg = ___________ kg or __________ x 10____kg

d) 77 s = ____________ s or ___________ x 10____ s

e) 92.8 MHz = ________ Hz or ____________ x 10___ Hz

( 10 marks )

2

Mariam leaves her house and jogs north 300 m to the street lamp on the corner. She turns west, jogs another 400 m and gets to the angsana tree 2 minutes after leaving home.Mariam meninggalkan rumahnya dan berjoging ke utara 300 m ke lampu jalan di penjuru. Beliau bertukar ke barat, berjoging 400 m lagi dan sampai ke pokok angsana selama 2 minit selepas meninggalkan rumah.

a) Which of the three distances given in the figure is the displacement, s? ( 1 mark )

Yang manakah di antara tiga jarak yang diberikan dalam rajah tersebut ialah sesaran, s?

b) What is Mariams average velocity? ( 2 marks )

Apakah halaju purata Mariam ?

c) What is the total distance run by Mariam? ( 1 mark )

Berapakah jumlah jarak larian Mariam?

d) What is her average speed during the two minutes? ( 2 marks )

Apakah kelajuan purata beliau sepanjang dua minit?

3Write down the 4 equations of linear motion and state the quantities usedTuliskan 4 persamaan gerakan linear dan nyatakan kuantiti yang digunakan

i. ii. iii. iv.

4A cargo ship sails across the Straits of Malacca towards Klang North Port. Within a given time it can accelerate 0.25 ms-2 in 52 s from its initial velocity of 2 m s-1. Determine its final velocity at the end of the accelerating period. (Hint: Use, v = u + at ) ( 3 marks )

sebuah kapal kargo berlayar di Selat Melaka ke arah Pelabuhan Klang Utara. Dalam masa yang diberikan ia boleh memecut 0.25 ms-2 dalam 52 s daripada halaju awal daripada 2 m s-1. Tentukan halaju akhir pada akhir tempoh yang pecutan?

5A lorry approaches a traffic light at 15 m s-1. The light turns red and the driver applies the brakes at a distance of 25 m from the junction and accelerates at -5 m s-2. Can the lorry come to a complete stop before reaching the stop line at the traffic light? Show your working solution. ( Hint : Use, v2 = u2 + 2as ) ( 5 marks )Sebuah lori menghampiri lampu isyarat di 15 m s-1. Cahaya bertukar merah dan pemandu itu menekan brek pada jarak 25 m dari simpang dan memecut -5 m s-2. Bolehkah lori tersebut Berjaya berhenti sebelum sampai ke garisan berhenti di lampu isyarat?Tunjukkan jalan kerja anda.

Answers space:

111

212

313

414

515

616

717

818

919

1020

Good Luck

Di sediakan Disemak Disemak

( Suliani Danny ( Ketua Panitia Sains ) (Ketua Bidang Sains&Matematik)