4531/1

Physics

Paper 1

Sept 2015

hour

SMK BANDAR UTAMA DAMANSARA (4),

PETALING JAYA, SELANGOR.

SPM TRIAL EXAMINATION2015

Physics

Paper 1

One and a quarter hour

DO NOT OPEN THIS QUESTION PAPER UNTIL BEING TOLD

INFORMATION FOR CANDIDATES

1. This question paper consists of 50 questions.2. Answer all questions.3. Answer each question by shading the correct answer on the answer sheet.4. Shade only one space for each question.5. If you wish to change your answer, erase the shaded mark that you have made. Then shade the your

new answer.6. The diagrams in the questions provided are not drawn to scale unless stated.7. You may use a non-programmable scientific calculator.8. A list of formulae is provided on page 2.

Prepared by:

______________________

(Pn. Leow Hoay Suan)

Checked by:

________________________

(En. Ravinderan Veloo Nair)

GKMP Math & Sains

Parent’s signature:

_______________________

This question paper contains 15 printed pages.

The following formulae may be useful in answering the questions. The symbols have their usual meaning.

1.

2. v2 = u2 + 2as

3. s = ut +

4. Momentum = mv

5. F = ma

6. Kinetic energy =

7. Potential energy = mgh

8. Elastic potential energy =

9.

10. Pressure , p =

11. Pressure, P =

12. Heat, Q =

13.

14. E = mc2

15.

16.

17.

18.

19.

20.

21. Q = It

22. V = IR

23. Power, P =IV

24.

25.

26. g = 10 ms-2

Paper 1 Time: 1 hour 15 minutes

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

This paper consists of 50 questions. Answer all questions. Every question is followed by four alternative answers A, B, C and D. For each question, choose one answer only. Blacken your answer on the objective answer sheet provided. If you wish to change your answer, erase the blackened mark that you have made. Then blacken the new answer.

1 Which is the shortest measurement? A 7.99 × 10−10 GmB 7.99 × 10−9 MmC 7.99 × 10−5 dmD 7.99 × 10−5 cm

2 Diagram 1 shows the width of an object measured by a pair of vernier caliper.

Diagram 1

What is the width of the object? A 5.58 cm B 5.59 cmC 5.68 cm D 6.58 cm

3 Diagram 2 shows a velocity-time graph for the movement of an object.

Diagram 2

Which acceleration-time graph represents the movement of the object? A

B

C

D

4 An object continues in a stationary state,or move with an uniform velocity, unlessthere is an external force that changesits state of motion.

Which law is explained by the above statement? A Newton's first law of motionB Newton's third law of motionC Newton's fourth law of motionD Newton's second law of motion

5 Which of the following is an application of conservation of momentum? A

B

C

D

6 Diagram 3 is a graph shows the relationship between the length of springs X and Y when stretched by different force.

Diagram 3

Which comparison about springs X and Y is correct? A To stretch 1 cm, work done on spring Y is larger than on spring XB The original length of spring Y is longer than spring XC Spring Y has a greater spring constant, kD Spring Y is harder than spring X

7 Diagram 4 shows a car crashed into a lamp-post.

Diagram 4

The function of the crumple zone is to A reduce the forward movement of the passengerB reduce the momentum of the carC lengthen the collision timeD reduce the friction

8 Diagram 5 shows a box with a mass of 7 kg is pushed forward by a force of 50 N. The frictional force between the box and the floor is 8 N.

Diagram 5

Calculate the acceleration of the box. A 6 m s-2 B 12 m s-2

C 58 m s-2 D 400 m s-2

9 Diagram 6 shows a boy running up a hill at a constant speed.

Diagram 6

Which physical quantity increases as the boy is running up the hill? A Potential energy of the boyB Acceleration of the boyC Momentum of the boyD Inertia of the boy

10

Diagram 7

Which diagram shows the action of forces on the box? A

B

C

D

11 Diagram 8 shows two loads, M and N, experience a free fall under gravity.

Diagram 8

Which statement is correct when M and N are in free fall? A The gravitational forces acting on M and on N are the sameB The impulses acting on M and on N are the sameC The accelerations of M and N are the sameD The momentum of M and N are the same

12 Diagram 9 shows two identical containers containing liquid X and liquid Y with 28 cm height and 17 cm height respectively. Both containers produce the same water spurt.

Diagram 9

If the density of liquid X is 1.7 g cm−3, find the density of liquid Y. A 0.50 g cm−3 B 1.00 g cm−3

C 1.40 g cm−3 D 2.80 g cm−3

13 Diagram 10 shows a mercury barometer.

Diagram 10

Which of the following will decrease the height, h of the mercury? A Place the barometer on the top of a mountainB Remove some mercury from the containerC Place the barometer below sea-levelD Place the barometer at the seaside

14

Diagram 11

What is the pressure, Pgas, inside the container? [p = density of mercury, g = gravitational acceleration, Patm = atmospheric pressure] A Pgas = Patm

B Pgas = Patm + hpgC Pgas = Patm − hpgD Pgas = hpg − Patm

15 Diagram 12 shows two identical glass jars, M and N, containing metal balls are floating on water. All the metal balls have the same size but different densities. The upthrust on glass jars M and N are FM and FN respectively.

Diagram 12

Which comparison is correct? A FM = FN B FM > FN

C FM < FN D FM + FN = 0

16 Diagram 13 shows a load is attached to a spring balance and a beaker of water is placed on a compression balance.

Diagram 13

What will happen to the reading of the spring balance and the reading of compression balance when the load is immersed completely in the water?

Spring balance Compression balanceA Remains the same DecreasesB Increases DecreasesC Decreases DecreasesD Decreases Increases

17 Diagram 14 shows four different shapes of blocks. Four weights of same mass are put on the

top of the blocks.

P Q R SDiagram 14

Arrange the blocks based on the pressure exerted on the floor, in ascending order. A P, S, Q, R B R, P, Q, SC P, Q, S, R D Q, P, S, R

18 Diagram 15 shows an aerofoil moves through air.

Diagram 15

Which position A, B, C or D, experiences the lowest pressure?

19 Diagram 16 shows a trolley being released on a smooth plane.

Diagram 16

Calculate the velocity of trolley at P. A 16.0 m s−1 B 8.8 m s−1

C 8.0 m s−1 D 4.0 m s−1

20 Diagram 17 is a graph which shows the relationship between pressure, P, and temperature, T, of a fixed mass of gas at constant volume.

Diagram 17

Which statement is correct? A The kinetic energy of the gas molecules is zero at −273°CB The kinetic energy of the gas molecules is maximum at −273°CC The gas pressure is inversely proportional to the temperatureD The gas molecules are moving with the highest velocity at −273°C

21 Diagram 18 shows a dented bottle before and after being placed in hot water.

Diagram 18

Which of the following is correct? Mass of the air Kinetic energy of the air molecules

A Unchanged UnchangedB Decreases UnchangedC Increases UnchangedD Unchanged Increases

22 Diagram 19 shows an iron block and an aluminium block. Both blocks have the same mass and heated with the same amount of heat energy for 20 minutes. The specific heat capacity, c, of each metal is different.

Diagram 19

Which statement is correct at the end of 20 minutes? A The an iron block has the lowest final temperatureB The final temperature of the an iron block is lower than an aluminium block

C The final temperature of the an aluminium block is higher than an iron blockD The an iron block has the highest final temperature

23 Diagram 20 shows a student looking at the image of a ball in a plane mirror.

Diagram 20

Calculate the distance, in m, of the image from the student. A 7 B 8C 11 D 14

24 Diagram 21 shows a process of change of state.

Diagram 21

The latent heat of vaporization is absorbed at process A, B, C, or D?

25 Which of the following devices can be used to show that a light is a transverse wave? A Diffraction gratingB Polaroid blockC Glass prismD Double slit

26 Diagram 22 shows the appearance of the word MALAYSIA as seen through a magnifying lens.

Diagram 22

Which light phenomenon explains this situation? A Total internal reflection

B DiffractionC RefractionD Reflection

27 Diagram 23 shows a light ray travelling from medium S to medium T.

Diagram 23

Find the refractive index of the medium T. A 1.75 B 1.47C 0.85 D 0.72

28 Given that the speed of a wave is 42.0 m s−1 and the distance of 3 consecutive crests is 6 m, find the frequency of the wave. A 21.0 Hz B 14.0 HzC 2.1 Hz D 1.4 Hz

29 Diagram 24 shows an object is placed at distance of 2f in front of a concave mirror. f is focal length.

Diagram 24

The characteristics of the image formed are A real, inverted, bigger than objectB virtual, inverted, bigger than objectC virtual, inverted, smaller than objectD real, inverted, same size as the object

30 Diagram 25 shows water waves passing a big rock in a sea.

Diagram 25

The phenomenon which can be used to explain the propagation of waves is A Interference B DiffractionC Refraction D Reflection

31 In a Young's double slit experiment, a red light source is used to form red fringes on the screen.If the red light source is replaced by a blue light source, the A brightness of the fringes increasesB distance between fringes decreasesC thickness of the fringes increasesD number of fringes decreases

32 Diagram 26 shows water waves propagating through a perspex block in a ripple tank.

Diagram 26

Which of the following wave patterns can be observed when the waves pass through the perspex block?

A B

C D

33 Diagram 27 shows a metal-coated ball is moved towards the negative terminal, Z, and is then let go.

Diagram 27

What will happens next? A The ball moves towards Y and remains at YB The ball moves continously between Y and ZC The ball moves towards X and remains at XD The ball remain at Z

34 Diagram 28 shows the apparatus set-up to investigate the characteristic of sound waves.

Diagram 28

Which comparison is correct for the incident sound wave and the reflected sound wave? A The reflected angle is smaller than the incident angleB The speed of the reflected wave is the same as the speed of the incident waveC The wavelength of the reflected wave is more than the wavelength of the incident waveD The frequency of the reflected wave is higher than the frequency of the incident wave

35 A radar transmits a sound wave to find the depth of a wrecked ship. If the reflected sound wave is detected 0.4 s, calculate the depth of the wrecked ship.[Velocity of sound wave in water = 1 500 m s−1] A 6 000 m B 3 000 mC 600 m D 300 m

36 Which statements is correct about the properties of electromagnetic waves? A The frequency of the electromagnetic waves is influenced by wavelengthB Electromagnetic waves only consist of magnetic fieldsC Electromagnetic waves require a medium to travelD Electromagnetic waves are longitudinal waves

37 Diagram 29 shows a left hand which represents the Fleming's Left Hand Rule.

Diagram 29

What does X represents? A CurrentB Magnetic fieldC ForceD Resistance

38The correct circuit that will obtain this graph is A

B

C

D

39 Diagram 31 shows an electric circuit.

Diagram 31

Which of the following is correct? A A1 > A2 B V1 < V2

C V1 = V2 D A1 < A2

40 Diagram 32 shows an electric circuit.

Diagram 32

The reading on the ammeter is A 0.15 A B 0.30 AC 0.41 A D 13.65 A

41 A battery has an e.m.f of 6.0 V. When it is connected to an external resistor, the potential different is 4.0 V and the current is 0.6 A. What is the value of the internal resistance? A 2.0 Ω B 3.3 ΩC 6.7 Ω D 10.0 Ω

42 Diagram 33 shows an experiment to observe the magnetic field created by a current in a coil.

Diagram 33

The correct magnetic field is A

B

C

D

43 Diagram 34 shows a conductor placed in a magnetic field.

Diagram 34

Which direction do the conductor moves towards when the switch is closed? A G B HC I D J

44 Diagram 35 shows a symbol that represents an electronic component.

Diagram 35

The electronic component is a A bulb B diodeC capacitor D resistor

45 Diagram 36 shows an electric circuit consisting a step-up transformer and three similar bulbs X, Y, and Z.

Diagram 36

Which of the following is correct? A Brightness of X = Brightness of Y < Brightness of ZB Brightness of X = Brightness of Y = Brightness of ZC Brightness of X < Brightness of Y < Brightness of ZD Brightness of X > Brightness of Y < Brightness of Z

46 Diagram 37 shows a transformer connected to a cathode ray oscilloscope.

Diagram 37

Which wave traces is correct when an extra turns is connected in the secondary coil on the iron core? A

B

C

D

47 Diagram 38 shows a system of transmission of electricity.

Diagram 38

Which of the following is correct? Transformer X Transformer Y

Primary coil (turns) Secondary coil (turns) Primary coil (turns) Secondary coil (turns)A 480 2400 2400 600B 2400 480 2400 600C 2400 480 600 2400D 480 2400 600 2400

48 Diagram 39 shows an equation for nuclear fission of U.

U + n → Ba + Kr + 3n + XDiagram 39

X is A α particle B β particleC γ-ray D energy

49 Diagram 40 shows the beginning of a chain reaction.

Diagram 40

Why the chain reaction takes place? A U is highly radioactiveB Released neutrons travel at very high speedC Energy released during the fission of U is very highD Number of neutrons released continuously multiplying as time increases

50 An atom of Radium-226 produces 7.39 × 1014 J of energy when it decays.Calculate the mass defect. [c = 3.0 × 108]A 1.22 × 1030 kgB 4.06 × 1021 kgC 2.46 × 1022 kgD 8.21 × 1031 kg

Answer:

1 C          2 A          3 A          4 A          5 D6 B          7 C          8 A          9 A          10 B11 C        12 D        13 A        14 B        15 A16 D        17 A        18 B        19 D        20 A21 D        22 D        23 C        24 B        25 B26 C        27 B        28 B        29 D        30 B31 B        32 B        33 B        34 B        35 D36 A        37 B        38 D        39 B        40 B41 B        42 A        43 D        44 B        45 D46 D        47 A        48 D        49 D        50 D