latihan titian cemerlang chapter 1

8/9/2019 Latihan Titian Cemerlang Chapter 1

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LATIHAN TITIAN CEMERLANG

CHAPTER 1: INTRODUCTION TO PHYSICS

1 Diagram 1.1 shows an electrical measuring instrument.

Rajah 1.1 menunjukkan sebuah alat pengukur elektrik.

Diagram 1.1 /Rajah 1.1

(a) (i) What is the physical quantity measured by this instrument?Apakah kuantiti fizik yang diukur oleh alat ini?

......................................................................................................................

(ii) Name the error found on this instrument.

Namakan ralat yang terdapat pada alat ini.

......................................................................................................................

(b) Diagram 1.2 shows two instruments, X and Y, that can be used to measure the thickness of

a wire.

Rajah 1.2 menunjukkan dua alat pengukur, X dan Y, yang boleh digunakan untuk menentukan

ketebalan seutas dawai.

Kedah :

Paper 2

[1 mark]

[1 mark]


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Diagram 1.2 /Rajah 1.2(i) Which instrument is more suitable to measure the thickness of the wire?

Alat pengukur yang manakah lebih sesuai untuk mengukur ketebalan dawai itu?......................................................................................................................

(ii) State onereason for your answer in 1(b)(i).

Nyatakan satusebab bagi jawapan anda di 1(b)(i).

............................................................................................................................................................................................................................................

[1 mark]

[1 mark]

1. Diagram 1.1 shows the reading of a measuring instrument when there is no object on it.Rajah 1.1 menunjukkan bacaan satu alat pengukur apabila tiada objek diletakkan diatas

nya.Diagram 1.2 shows the reading of the measuring instrument when an object is placed on it.

Rajah 1.2 menunjukkan bacaan alat pengukur tersebut apabila satu objek diletakkan di

atasnya.

Diagram 1.1Rajah 1.1

Kelantan:

Paper 2


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Diagram 1.2Rajah 1.2

(a) Name the physics quantity that can be measured by the measuring instrument in Diagram 1.1.

Namakan kuantiti fizik yang boleh diukur oleh alat pengukur pada Rajah 1.1.....

(b) Name the type of error produced in Diagram 1.1

Namakan jenis ralat yang terhasil dalam rajah 1.1

.....(c) What is the value of error in Diagram 1.1

Berapakah nilai ralat yang terhasil dalam rajah 1.1.....

(d) What is the actual reading of the physical quantity measured in Diagram 1.2?Berapakah bacaan sebenar kuantiti fizik yang diukur dalam Rajah 1.2?

.....

[1 mark]

[1 mark]

[1 mark]

[1 mark]

1. A student carries out an experiment to investigate the relationship between the

length , lof a piece of wire X placed at the cut A of cardboard strip and the angle , .

The apparatus set-up for this experiment is shown in Diagram 1.1 and 1.2.

Seorang murid menjalankan satu eksperimen untuk mengkaji hubungan antara panjang,l

seutas wayar X yang diletakkan pada sekeping potongan kadbod di A dengansudut, .

Susunan alat radas bagi eksperimen ini ditunjukkan pada rajah 1.1 dan 1.2.

SBP:

Paper3


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Diagram 1.1 Diagram 1.2

The student starts the experiment with the length, lof a piece of wire X that is

50.0 cm. The corresponding reading of protractor is shown in Diagram 1.3 on page 3.

The experiment is repeated with length,lof wire 40.0 cm, 30.0 cm, 20.0 cm and 10.0

cm. The corresponding readings of protractor are shown in Diagram 1.4, 1.5, 1.6 and

1.7 on pages 3, 4 and 5.

Murid itu memulakan eksperimen dengan panjang,lseurat wayar X 50.0 cm. Bacaan

jangkasudut yang sepadan yang sepadan ditunjukkan pada rajah 1.3 dihalaman 3.

Eksperimen diulangi dengan mengunakan panjang,l= 40.0 cm, 30.0 cm, 20.0 cm dan 10.0

cm. Bacaan jangkasudut yang sepadan dihalaman 3, 4 dan 5.

Diagram 1.3


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Diagram 1.4

Diagram 1.5

Diagram 1.6


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Diagram 1.7

For the experiment describe on page 2, identifyBagi eksperimen yang diterangkan di halaman 2, kenalpasti

(i) the manipulated variablePembolehubah dimanipulasi

.

(ii) the responding variablePembolehubah bergerak balas

(iii) the constant variablePembolehubah yang dimalarkan

.

(b) For this part of question, write your answers in the spaces provided in the

corresponding diagrams.

Untuk bahagian soalan ini, tulis jawapan anda diruang yang disediakan dalam rajahrajahyang sepadan.

Based on Diagram 1.3, 1.4, 1.5, 1.6 and 1.7 on pages 3, 4 and 5.Berdasarkan rajah 1.3, 1.4, 1.5, 1.6 dan 1.7 di halaman 3, 4 dan 5.

(i) Record the reading of protractor in the space provided on pages 3, 4 and 5.Catat bacaan bagi jangka sudut diruangan yang telah disediakan pada mukasurat 3,4 dan 5.

(ii) Tabulate your results for all values ofland in the space given below.

Jadualkan keputusan anda bagi semua nilaildan dalam ruang di bawah.

(c) On the graph paper on page 8, plot a graph of againstl.

[ 1 mark]

[ 1 mark]

[ 1 mark]

[2 marks]

[4 marks ]


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Pada kertas graf di halaman 8, lukis graf melawanl.

[Sila gunakan kertas graf sendiri]

(d) Based on your graph in 1 (c), state the relationship between andl.

Berdasarkan graf di 1 (c), nyatakan hubungan diantara danl.

(e) Stateone

precaution that should be taken to improve the result of this experiment.Nyatakan satu langkah berjaga-jaga yang perlu diambil untuk memperbaiki keputusaneksperimen ini.

[5 marks ]

[1 mark]

[1 mark]


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ANSWERS

Kedah :

Paper

2

1 (a) (i) State the physical quantity correctly 1

- Voltage/potential difference(ii) State theerror correctly 1

- Zero error//systematic error

(b) (i) State

the

in

strum

ent c

orrectly 1- Y/micrometer

(ii) State thereason correctly 1

- The scale has a smaller division

Kelanta

n:

Paper 2

1. (a) mass

(b) Zero error

(c) 6 g

(d) 24 g

SBP:

Paper31(a) (i) Manipulated variable = The length,lof the wire X

(a)(ii) Responding variable = The angle,

(a)(iii) Constant variable = The distance from A to the needle // the diameter

of the wire //the material of wire X

(b)(i) Values of are correct

(All values are correct : 2M)

(One value incorrect : 1M)

(ii)

Tabulateland correctly in the table.

A Shows a table which havel, and

BState the correct unit ofl/cm and /

CAll values oflare correct

DValues ofland are consistent

(c)Draw the graph of againstl.

A - Label y-axis and x-axis correctly

B - States the unit at the axis correctlyC - Both axes with the even and uniform scale:

D - 5 points correctly plotted:E - a smooth best straight lineF - minimum size of the graph is 5 x 4 squares of 2 x 2 cm.


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(d) State the correct relationship basedon the candidates graphlis directly propotional to //lis increasing linearly to

(e) 1- The eyes of observer must be perpendicular to the scale reading in

order to avoid the parallax error.

2- Repeat the experiment and find the average.

latihan titian cemerlang chapter 1

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