1

Name : .

Form : SMK ST JOHN

JLN BUKIT NANAS

50250 KUALA LUMPURUJIAN PERTAMA

TINGKATAN 42012

PHYSICS

Two hours

DO NOT OPEN THIS QUESTION PAPER UNTIL TOLD1. Write your name and form in the space provided

2. This question paper consists of two sections: Section A and Section B. Answer all questions.3. Shade your answers for Section A on the OMR sheet provided.

4. Write your answers for Section B in the spaces provided in the question paper.

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__________________________________________________________________________________

This question paper contain 15 printed pagesDi sediakan oleh, Disemak oleh,. .

Pn Rismawati bt Ismail En Jesu Iruthaya Nathan

Guru Fizik Ketua Panitia Fizik1Which one of the following is not a base quantity?

A Length

B WeightC Electric current D Time

2 Which one of the following is not a base unit?

A CelciousB Ampere C Kilogram D Second

3The standard form for 1520 is

A 15.2 x 10 2B 1.52 x 10 3 C 1.52 x 10 4 D 0.152 x 10 -4 E 1.52 x 10-5

4The prefixes according to their value in ascending order are

A Giga,mega,kilo,centi B Mikro,mili,centi,kilo C Mega,giga,kilo,centi D Centi,giga,mikro,mili

5Radio 5 RTM station operates at 105.6 M Hz. The expression of the frequency in units of Hz is A 1.056 x 10 8 Hz B 1.056 x 10 6 Hz C1.056 x 10 4 Hz D 1.056 x 10 - 4 Hz E 1.056 x 10 - 8 Hz

6 Which one of the following measurements is smallest ?

A 1.5 x 10 2 kgB 1.5 x 10 7 g C 1.5 x 10 12 g

7 The volume of a metal sphere is 12 cm 3. This volume in units of m 3 isA 1.2 x 10 - 2B 1.2 x 10 - 3 C 1.2 x 10 5 D 1.2 x 10 7 E 1.2 x 10 - 98 The velocity of a car is 108 km h-1. What is the velocity in units of ms-1 ?A 20B 30 C 50 D 60 E 909 Which of the following is true?

A 1 m2 = 102 cm2 B 1 m2 = 103 cm2 C 1 m2 = 104 cm2

D 1m2 = 106 cm2

10The ability of an instrument gives consistent reading , when repeated readings are taken is called as

AaccuracyBprecision Csensitivity D error

11 The ability of an instrument to detect a small change in the measured quantity is called as

AprecisionBaccuracy Csensitivity D error12The error is caused by the position of eye is not parallel to the scale of an instrument is called as

Apositive zero error Bnegative zero error Cparallax error

13Which of the following should be the small value ,so that the accuracy becomes high?

AActual value

B Mean C error

14Which of the following is most likely to show a precise shooting?

15Based on the table below, what are the measuring instruments J, K and L?

Measuring instrumentsMeasurement

J2.52 cm

K15.2 cm

L1.54 mm

J

K

L

AMicrometer screw gauge Vernier callipers Ruler

BRuler Vernier callipers Micrometer screw gauge

CVernier callipers Ruler

Micrometer screw gauge16Which of the following statements about errors is correct?

AZero error is random error

BRandom errors can be reduced by taking repeat readings.

CSystematic errors can be reduce by taking repeated readings.

D Value of error for systematic errors is not constant.

17 Figure(a) shows the existence of zero error of a micrometer screw gauge. Figure(b) shows the reading of the micrometer screw gauge for diameter of metal wire.

The actual reading of diameter of the metal wire is

A 8.30 mm B 8.32 mm C 8.80 mm

D 8.82 mm

18Diagram below shows a micrometer screw gauge reading when it is closed at its gap.

The subsequent readings must be corrected by

A adding 0.02 mm B subtracting 0.02 mm C adding 0.48 mm D subtracting 0.48 mm

19The following diagram shows a vernier calipers.

What is the reading of the vernier calipers ?

A 3.17 cm

B 3.08 cm C 2.18 cm D 2.07 cm

20Which of the following graphs show that y increases linearly with x?

2.Diagram 2.1 shows the initial reading of a stopwatch at the beginning of an experiment. The stopwatch was used to measure the time for 20 complete oscillations made by a simple pendulum of length, l. Diagram 2.2 shows the reading of the stopwatch at the end of the experiment.

DIAGRAM 2.1DIAGRAM 2.2

(a)(i) State the type of error shown in Diagram 2.1.

.......

[1 mark]

(ii)What is the actual time taken for the pendulum to complete 20 oscillations?

.......

[2 marks]

(b)(i) Find the period of one complete oscillation, T, for this pendulum.

[2 marks]

(ii)The relationship between the length, l, and the period, T, of a simple pendulum is given by the equation, .Using the value of T obtained in (b)(i), calculate the length, l, of the pendulum. [ Given that = 3.142 and g = 10 m s-2]

[2 marks]

7.A student carries out an experiment to investigate the relationship between the diameter, d, of a metal cylinder and its mass, m. Diagram 1.1 shows the five cylinders that were prepared.

Diagram 1.1

A micrometer screw gauge is used to measure the diameter of the cylinder. Diagrams 1.2, 1.3, 1.4, 1.5 and 1.6 show the reading, d, of the micrometer screw gauge when the diameter of each cylinder is measured.

Diagrams 1.2

Diagrams 1.3

Diagrams 1.4

Diagrams 1.5

Diagrams 1.6

(a) For the experiment described on page 2 identify:

(i) The manipulated variable:

....[1 mark]

(ii) The responding variable:

... [1 mark]

(iii) The constant variable:

....[1 mark]

(b) (i) Based on Diagrams 1.2, 1.3, 1.4, 1.5 and 1.6 on pages 2, 3 and 4, determine and record the diameter of the cylinder, d.

(ii) For each value of d in 1(b)(i), calculate d 2. Tabulate your data for all values of m, d, and d2 in the space below.

[7 marks]

(c) On the graph paper on page 3, draw a graph of d2 against m. [5 marks]

(d) Based on the graph in 1(c), state the relationship between d2 and m.

... [1 mark]

EMBED PBrush

SECTION A (ANSWER ALL QUESTIONS)

8

39.45 ,where r is the gradient of graph T2 against m.

r

39.45

r

3

2

6

SectionQuestionFull MarksMarks ObtainA1 - 2020B 1

42

73

44

45

46

47

168

12Total

5

d 2 against m

3

4

SECTION B (ANSWER ALL QUESTIONS)

8

PAGE 15

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