4531/1Fizik Nama :………………………………………Tingkatan:……………….Kertas 120111 ¼ Jam

PEPERIKSAAN PERTENGAHAN TAHUN 2011TINGKATAN 5

PHYSICSKertas 1

Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini mengandungi 50 soalan.

2. Jawab semua soalan.

3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan.

4. Bagi setiap soalan hitamkan satu ruangan sahaja.

5. Sekiranya anda hendak menukarkan jawapan , padamkan tanda yang telah dibuat.

6. Kemudian hitamkan jawapan yang baru.

7. Satu senarai rumus disediakan di halaman 2.

8. Penggunaan kalkulator saintifik yang tidak boleh diprogramkan adalah dibenarkan.

Disediakan oleh,

_________________

(Peggy Esther Tobian Yong)Guru Fizik

Kertas soalan ini mengandungi 25 halaman bercetak

Disemak oleh,

(En. Jeffry Juan Rosales Jr) Ketua Panitia Fizik

Disahkan oleh,

(En. Abdul Malek Bin Haron)Pengetua SMK Desa Kencana

SULIT 4531/1

The following information may be useful. The symbols have their usual meaning.

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1. a =

1. v2 = u2 + 2as

2. s = ut + at2

3. Momentum = mv

4. F = ma

5. Kinetic energy = ½ mv2

6. Gravitational potential energy = mgh

7. Elastic potential energy = Fx

8. Power, P = energy time

9. ρ =

10. Pressure, p =hg

11. Pressure, p =

12. Heat, Q = mc

13. Heat, Q = mℓ

14. P1V1 = P2V2

15. V 1 = V2

T1 T2

16. P 1 = P2

T1 T2

17. = constant

18. n =

20. n = real depth apparent depth

21.

22. Linear magnification, m = v u

23. P = 1/ f

24. v = f

25. =

26. Q = It

27. E = VQ

28. V = IR

29. E = V + Ir

30. Power, P = VI

31.

32. Efficiency = x 100%

33. eV = ½ mv2

34. E = mc2

35. g = 10 ms-2

SULIT 4531/1

Each question is followed by either three, four or five options. Choose the best option for each question, and then blacken the correct space on the answer sheet.

1 Which of the following is not the main area of physics?

A Heat

B Mechanics

C Geometry

D Light

2 Which of the following shows the relation between the base quantities for density?

A

B

C

D

3 A shop-keeper places two identical blocks of cheese on a set of scales and notices that their combined mass is 240g. Each block measures 2.0 cm × 5.0 cm × 10.0 cm.

Diagram 1

What is the density of the cheese?

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A 0.42 g / cm3

B 0.83 g / cm3

C 1.2 g / cm3

D 2.4 g / cm3

4 Which of the following is a vector quantity?

A Mass of a ball

B Age of the earth

C Number of students in a class

D Earth’s gravitational pull on our body

5 An object is displaced 8 m to the east followed by another displacement of 10 m north-west. What is the resultant displacement of the object?

A 2 m

B 4m

C 6m

D 14 m

E 18 m

6 Table 1 shows the results obtained from an experiment to examine the resistivity of a wire.

Diameter of wire / mm Current / A Potential difference / V0.40 0.36 3.60.80 0.41 3.81.20 0.55 4.51.60 0.72 5.0

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2.00 0.88 5.1Table 1

Which one of the following statements is true about the experiment?

A The smallest scale on the ammeter is 0.02 A.

B The smallest scale on the voltmeter is 0.1 V.

C The diameter of the wire is the responding variable.

D The diameter of the wire is measured with vernier calipers.

7 Table 2 shows the record of an experiment carried out by a student.

Temperature / ºC Electric Current / A30 0.4832 0.4434 0.436 0.3638 0.32

Table 2

What is the mistake made by the student?

A The temperature readings do not have decimal places.

B Each physical quantity measured is not labeled.

C The readings recorded are not consistent.

D The units of the quantities measured are not labeled.

8 Which graph shows an increasing acceleration?

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A B

C D

9 Diagram 2 shows a book falling down from a table.

Diagram 2

Which physical quantity of the book increases while it is falling?

A Mass B Kinetic energy

C Acceleration D Potential energy

10 Oil drips at a constant rate from a moving car. Diagram 3 shows the pattern of the drips on the road.

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Diagram 3

Which statement describes the motion of the car?

A It accelerated and then moved at a steady speed.

B It accelerated and then decelerated.

C It moved at a steady speed and then decelerated.

D It moved at a steady speed and then accelerated.

11 Anuar lifts a heavy object underwater. He finds it is much easier to lift the object while it is underwater. This is because the object experiences

A buoyant force B force of gravity

C surface tension D Water friction

12 Diagram 4 shows a car with a bumper fitted with shock absorbers.

Diagram 4

The advantage of using the bumper fitted with shock absorbers is

A to ensure that the car will decelerate in an accident.

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Bumper

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B to minimise the impulsive force during an accident.

C to ensure that the car is not smashed in an accident.

13 Diagram 5 shows a wooden block pulled by a force of 10N at an angle of 40o above the horizontal floor.

Diagram 5

If the wooden block is pulled through a distance of 5m, how much work is done on the wooden block?

A 7.66 JB 18.8 JC 24.4 JD 38.3 JE 50.0 J

14 Diagram 6 shows an aeroplane flying at a constant velocity.

Diagram 6

Which relationship between the forces is true?A U = WB F > GC U < WD F = G

15 A spring of 10 cm length extends by 6 cm when a load of 30 N is attached to it.

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Diagram 7

When two identical springs are used to carry a 20 N loads, as shown in Diagram 7, what is the length of the spring system?

A 2 cmB 4 cmC 6 cmD 12 cmE 15 cm

16 Which of the following operates on the effects of atmospheric pressure?

A Lift pumpB Hydraulic brakes C Aerofoil

17 Which of the following appliances work based on Bernoulli’s Principle?

A Bunsen burner, syringe and car carburator.

B Bunsen burner, filter pump and car carburetor.

C Wing of aeroplane, syringe and filter pump.

D Wing of aeroplane, filter pump and syringe.

18 Diagram 8 shows two identical bricks X and Y placed in two different ways on a sandyground.

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X Y

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Diagram 8 What is the factor that causes brick Y to sink more into the sand?

A Weight B PressureC ForceD Density

19 The diagram shows the position of a hydrometer in four different liquids P, Q, R and S. Which liquid has the lowest density?

20 Diagram 9.1 and Diagram 9.2 shows an object being weighed in air and in waterrespectively.

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6.0 N

0 N 1.2 N

4.8 N

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Diagram 9.1 Diagram 9.2 What is the buoyant force on the object?

21 Diagram 10 shows a cylinder containing water. .

Diagram 10

If the pressure at point P is 12 000 N m-2, the height of h is[the density of the water = 1000 kg m-3]

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A 1.2 NB 3.6 NC 4.8 ND 6.0 N

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A 0.8 m

B 1.0 m

C 1.2 m

D 2.0 m

E 2.2 m

22 A mixture of gas and air is produced by a bunsen burner. This can be explained by

A Archimedes’ principle

B Bernoulli’s principle

C Pascal’s principle

D The principle of conservation of momentum

23 Diagram 11 shows two objects X and Y, touching each other.

Diagram 11

They are at thermal equilibrium if they have

A The same density

B The same volume

C The same mass

D The same temperature

24 Which graph represents the relationship between the pressure, P and the volume, V of a gas at constant temperature?

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A

B

C

D

25 Diagram 12 shows a mercury thermometer.

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Diagram 12

Why does the capillary tube have a very narrow bore?

A To improve sensitivityB To increase the temperature range measuredC To prevent mercury returning to the bulbD To reduce the amount of mercury used

26 700 g of water at a temperature of 300C in a plastic container is placed inside the freezer of a refrigerator. It takes 20 minutes for the water to be frozen to become ice. What is the rate of heat released from the water?[Specific heat capacity of water = 4200 J kg1 0C 1; specific latent heat of fusion of ice = 3.34 × 105 J kg1]

A 26.8 J s1

B 89.4 J s1

C 134.2 J s1

D 268.3 J s1

E 402.5 J s1

27 Table 3 below shows the freezing point and the boiling point of four liquids A, B, C and D. Which liquid is most suitable to be used in a liquid-in-glass thermometer from -900C to 900C? Liquid Freezing point (0C) Boiling point ( 0C)

A -70 140B 0 100C -120 120D -50 140

Table 328 What is the quantity which is constant in all the three Gas laws?

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A the number of gas moleculesB the distance between the gas moleculesC the total force per unit area of the container’s wall.D the average kinetic energy of the gas molecule

29 A gas inside a container at a temperature of 30oC has a pressure of 1.20 Pa. The container is heated at a constant volume until the temperature of the gas inside it is 55oC. What is the final pressure of the gas?

A 0.72 PaB 1.11 PaC 1.30 PaD 2.20 PaE 2.20 Pa

30 Which of the following is not the characteristic of an image formed by a plane mirror?

A Laterally inverted

B Same size as object

C Object distance from mirror equals image distance from mirror

D Real

31 Which of the optical instrument uses the principle of the total internal reflection of light?

A Plane mirror

B Projector

C Astronomical telescope

D Binoculars

32 Diagram 13 shows an object placed in front of a convex mirror.

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Fobject 2F F

S

TU

R

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Diagram 13

Which ray is the correct reflected ray?

A R

B S

C T

D U

33 When a ray of light travel from water to the air, its speed will

A increase

B decrease

C Remain the same

34 Diagram 14 shows a coin is put at the base of the beaker. The image of the coin appears to be 5 cm from the base of the beaker.

Diagram 14

What is the refractive index of the liquid?

A

B

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C

D

E

35 A convex len has a focal length of f cm. The lens produces an enlarged, virtual and

upright image. The object distance is

A less than f

B between f and 2f

C same as 2f

D more than 2f

36 Which of the following statement is correct in designing a simple astronomical telescope ?

A Both the focal lengths of the objective lens and the eyepiece lens are the same

B The focal length of the objective lens is shorter than the focal length of the eyepiece lens

C At normal adjustment, the distance between the objective lens and the eyepiece lens is longer than the sum of both focal length of thetwo lenses

D At normal adjustment, the distance between the objective lens and the eyepiece lens is equal to the sum of both focal length of the twolenses

37 Diagram 15 shows plain water waves in a ripple tank passing through a slit

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Which of the following quantity will decrease after the water wave passing through the slit?

A AmplitudeB Frequency

C WavelengthD Speed

38 Diagram 16 shows an interference pattern of two coherent water waves of sources, P and Q

Which of the positions A, B, C or D, does the amplitude of the water waves is zero?

39 Diagram 17 shows the

condition of candle flame after the audio frequency

generator is switched

on.

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Diagram 15

Diagram 16

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Based on the observation, which of the following answer show the correct movement of the air particle?

A B C D

40 Diagram 18 shows an ultrasonic wave transmitted from a boat to the seabed to determine the depth, D of the sea. The speed of the ultrasonic waves in water is 1500 ms-1. The echo of the waves is received 2.0s after the transmission.

What is the value of D?

A 1500 mB 1550 mC 1600 mD 2000 m

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Diagram 17

Diagram 18

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41 The wavelength of light can be determined with a double slit plate. Diagram 19 shows the pattern of interference fringes obtain in a Young’s double slit experiment. The separation distance of the two slit is 0.55 mm and the distance between the screen and the double slit plate is 4.0 m.

Calculate the wavelength of the light used in the experiment.

A 1.234 X 10-2 mB 3.375 X 10-6 mC 5.625 X 10-7 mD 4.821 X 10-7 m

42 Which diagram shows the correct electric field pattern?

A C

B D

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Diagram 19

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43 Which of the following graphs shows the correct relationship between the potential

difference, V and current, I for an Ohmic conductor?

A C

B D

44 Which of the following factors does not influence the resistance of a wire?

A Length of the wireB Material of the wireC Cross-sectional area of the wireD Hardness of the wire

45 A 24 resistor is connected across the terminals of a 12 V battery. Calculate the power dissipated in the resistor.

A 0.5 WB 2.0 WC 4.0 WD 6.0 W

46 A housewife uses a 2 kW electric iron for 30 minutes a day. If the cost of 1 unit of electricity is 20 cents, what is the cost of using the electric iron for 30 days?

A RM2.00

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B RM4.00C RM6.00D RM8.00

47 Which of the following circuit has the lowest total resistance?

A

C

B

D

48 Diagram 20 shows a circuit containing three resistors and a cell with an electromotive force of 12V and internal resistance of 6Ω

What is the current flowing through the circuit?

A 1.1 A

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Diagram 20

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B 1.0 A

C 1.3 A

D 1.4 A

49 Diagram 21 shows an electric circuit containing with four bulbs. Which of the bulbs in the following diagram is the brightest?

50 Which circuit can be used to determine the electromotive force a battery?

A C

B D

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Diagram 21

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END OF QUESTION PAPERKERTAS SOALAN TAMAT

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Daya. F/N