Ujian Mac 2013 Form 5

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MONTHLY TEST (MAC)PHYSICS

FORM 5Name: _________________________________ Class: __________________________________

Answer all the questions.

1. Diagram 1.1 shows two cars, P and Q, travelling in the oppose directions, passing through asharp band. A mirror is placed at X.

Diagram 1.1

(a) Diagram 1.2 shows an incomplete ray diagram when a plane mirror is placed at

X.

Diagram 1.2 Diagram 1.3

(i) Complete the ray diagram in Diagram 1.2

[2 marks]

(ii) State the light phenomenon involved in (a) (i).

____________________________________[1 mark]

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[Test Mac 2013] [Physics]

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(iii) Based on your answer in (a)(i), state the problem experienced by the driver in car P.

____________________________________________________________________[1 mark]

(b) Diagram 1.3 shows an incomplete ray diagram when a curve mirror is placed at X to

replace the plane mirror in Diagram 1.2. The curve mirror is used to overcome theproblem that occur in (a).

(i) Give the name of the curve mirror.

___________________________[1 mark]

(ii) Complete the ray diagram in Diagram 1.3

[2 marks]

(iii) Based on your answer in b (ii), how the curve mirror solved the problem in(a) (iii)?

______________________________________________________________[1 mark]

(c) The characteristics of the image formed by the curved mirror in Figure 1.3 arediminished, virtual and upright.

(i) What happen to the characteristics of the image when the focal length of

the curved mirror is increased?______________________________________________________________

[1 mark]

(ii) Give the reason for your answer in (c)(i).______________________________________________________________

[1 mark]

2. Diagram 1.1 shows the image of a patients teeth seen in a mirror used by a dentist.

Diagram 1.1

(a) Name the type of the mirror used by the dentist.

_______________________________________[1 mark]

(b) State the light phenomenon that causes the image of the teeth._________________________________________________

[1 mark]

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(c) State three characteristics of the image formed._____________________________________________________________________

[2 marks]

(d) In the diagram below, the arrow represents the teeth as the object of the mirror.

Complete the ray diagram by drawing the required rays to locate the position of the

image.

Diagram 1.2

[3 marks]

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3. Diagram 2.1 shows the wing mirrors of a car which helps the driver to see objects behind thecar.

Diagram 2.1

(a) State the type of mirror used.________________________

[1 mark]

(b) Give one reason why this type of mirror is used instead of a plane mirror.___________________________________________________________________

[1 mark]

(c) In Diagram 2.2, F is the focal point and C is the centre of curvature of a

convex mirror.

Diagram 2.2

(i) Complete the ray diagram in Diagram (b) to show the position of theimage formed.

[3 marks]

(ii) State three characteristics of the image formed._____________________________________________________________

[2 marks]

(iii) Give a reason why this type of mirror is not suitable to be used as a

shaving mirror.

_______________________________________________________[1 mark]

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4. Diagram 2.1 shows a displacement-time graph of the oscillation of a loaded spring.

Diagram 2.1

(a) Based in diagram 2.1

(i) Label the period using the symbol T[1 mark]

(ii) Label the amplitude using the symbol A.

[1 mark]

(iii) What is meant by period?______________________________________________________________

[1 mark]

(b) What will happen to the period of the oscillation when the frequency of the waves

increases._____________________________________________________________________

[1 mark]

(c) If the spring is undergoing damping, what will happen to the amplitude of the

oscillation?_____________________________________________________________________

[1 mark]

(d) Loaded spring will stop oscillating after a few minutes.On diagram below, sketch the displacement-time graph to show the damping process.

[2 marks]

displacement, s (cm)

time, t (s)

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5. Diagram 3 shows a group of identical pendulum K, L, M, N, O and P. The pendulum isarranged in line then L is allowed to oscillate. Consequences all the pendulums starts to

oscillate. It is observed that N is vibrating at the maximum amplitude. The length of thependulum affected the frequency of oscillation.

Diagram 3

(a) What is the meaning of amplitude?

_____________________________________________________________________[1 mark]

(b) Observe Diagram 3, base from the diagram and the information given;

(i) Compare the length of the pendulum L and pendulum N

______________________________________________________________[1 mark]

(ii) Name the phenomenon involved___________________________

[1 mark]

(c) Explain why the rest of the pendulums start to oscillate after pendulum L is oscillated

and pendulum N oscillates at the maximum amplitude._____________________________________________________________________

__________________________________________________________________________________________________________________________________________

[2 marks]

6. Diagram 4.1 shows a wooden dipper oscillating on the surface of water to generate water

waves.

Diagram 4.1

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(a) Underline the correct answer in the brackets to complete the sentence below.Water waves are (longitudinal, transverse) waves.

[1 mark]

(b) The water waves generated travel with certain speed on the surface of the water. State

one factor which affects the speed of the water waves.

_____________________________________________________________________[1 mark]

(c) (i) What happens to the energy of the water waves as it travels away from the

wooden dipper?______________________________________________________________

[1 mark](ii) Name the phenomenon in (c) (i)?

___________________________

[1 mark]

7. Diagram 5.1 shows a water waves travelling from deep area to shallow area.

Diagram 5.1

(a) What is meant by refraction of water wave?_____________________________________________________________________

[1 mark]

(b) Complete diagram 5.1 to show the direction of propagation of the water waves indeep area and shallow area. Draw the waves pattern in both areas.

[2 marks]

(c) Calculate the wavelength at deep area if the speed of water waves at shallow area and

deep area are 4.0 m s-1

and 9.0 m s-1

respectively.The wavelength at shallow area is 2 m.

[2 marks]

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8. Diagram 6.1 shows three students investigating a phenomenon of sound wave by standing atposition L, M and N. A signal generator and a speaker is set next to the corner of the building.

The investigation is carried out by changing the frequency of the signal generator and thethree students are assign to listen to the sound transmit by the speaker begin with a frequency

of 586 Hz.

Diagram 6.1

(a) (i) What type of wave is the sound wave?

______________________________________________________________[1 mark]

(ii) As the frequency of the signal generator increases only one student can still

hear the sound clearly. Which of the student is able to hear the sound clearly?

______________________________________________________________[1 mark]

(iii) Give one reason for your answer in a (ii)?

______________________________________________________________[1 mark]

(b) The speed of the sound wave in air is 330 m s-1. Calculate the wavelength of thesound wave.

[2 marks]

(c) On the space below sketch a graph to present a change of sound wave from high pitchsound to low pitch sound with constant loudness.

[2 marks]

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9. Diagram 7.1 shows an experiment to determine the wavelength of monochromatic light wavesby using a red light source.

Diagram 7.1

(a) What is meant by monochromatic light?_____________________________________________________________________

[1 mark]

(b) Why are red fringes formed on the screen?_____________________________________________________________________

[1 mark]

(c) The distance between the Young double slit and the screen is 3.0 m. The double slit

used has the slit separation is 5 x 10-4

m.Calculate the wave length of the red light.

[2 marks]

(d) The red light is replaced by the green light

(i) What happen to distance between two consecutive dark fringes.______________________________________________________________

[1 mark](ii) Give the reason for your answer in (d) (i).

______________________________________________________________

______________________________________________________________

[2 marks]

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10. Diagram 8.1 and Diagram 8.2 show two sets of ripple tank with gaps of different sizes.


(a) What is the wave phenomenon studied in the experiment above._____________________________________________________________________

[1 mark]

(b) Draw the wave pattern formed in diagram 8.3 and diagram 8.4.


[2 marks]

(c) Diagram 8.3 shows propagating of waves from ocean to headland.

Diagram 8.3

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(i) Explain why the wave pattern labeled X is different from the wave patternlabeled Y.

____________________________________________________________________________________________________________________________

[2 marks]

(ii) What is the physical quantity shown by two lines labeled Z?______________________________________________________________

[1 mark]

11. Diagram 9.1 shows water waves passing through the entrance of a model harbour.

Diagram 9.1

(a) (i) Name the type of wave is the water wave.___________________________________

[1 mark]

(ii) State why the wave shape is only change after passing the gap.______________________________________________________________

[1 mark]

(b) Diagram 9.2 shows the cross sectional of the harbour wall that facing the waves. Indiagram 9.2 draw the waves after passing through the gap.

Diagram 9.2

[2 mark]

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(c) The model harbour in diagram 9.1 is to be use for commercial purpose. Suggestmodifications to the harbour wall that enables it,

(i) to sustain the impact of the water wave

_______________________________________________________

[1 mark]

(ii) to reduce the impact of the water wave to the shore._______________________________________________________

[1 mark]

12. Diagram 10.1 shows Aini trying to open the houses front gate using remote control.Evethough Amin is blocking her, the get can still be opened.

Diagram 10.1

(a) (i) Name the wave phenomenon involved._______________________________

[1 mark]

(ii) On Diagram 10.2, draw the wave pattern based on the situation in Diagram

10.1.

Diagram 10.2

Table 10.1

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(b) Table 10.1 shows the characteristics of three waves, X, Y and Z to be used in theremote control for the gate. Calculate the wavelength of each wave.

(i) Wave X

(ii) Wave Y

(iii) Wave Z

[4 marks]

(c) (i) Based on your answer in (b) , which wave is the most suitable to be used inthe remote control for the gate?

____________________________________[1 mark]

(ii) State one reason for your answer in (c)(i).

______________________________________________________________

[1 mark]

(d) Based on the values of the wave speed shown in Table 10.1,(i) Predict what wave X is?

______________________________________________________________[1 mark]

(ii) State one application for wave X______________________________________________________________

[1 mark]

13. Diagram 11.1 shows an electromagnetic spectrum.

Diagram 11.1

(a) (i) What is meant by electromagnetic waves?

__________________________________________________________

[1 mark]

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(ii) Give one common characteristic of the components of theelectromagneticspectrum.

_____________________________________________________________[1 mark]

(b) Based on the Diagram 11.1, give the name and the usage of components P and S.

Component of the

electromagnetic waves Applications of the waves

P: _______________

S: _______________

[4 marks]

(c) Given that the speed of electromagnetic wave is 3 x 108 m s-1. Find the wavelength of

the radio wave which has a frequency of 3.2 kHz.

[2 marks]

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Ujian Mac 2013 Form 5