Thursday, February 12, 2009

1. CHECK LIST 2007
PAPER 2

1 What is speed?
2 Explain why heavy vehicle must have speed limit and capacity limit.
3 What is work?
4 What is meant by unbalanced force?
5 What is weight?
6 What is Gravitational Potential Energy?
7 What is Pressure?
8 What are the factors that influence pressure in liquid?
9 Write the formula to calculate pressure in liquid.
10 What is the unit for pressure?
11 What is Specific Latent Heat Of Fusion?
12 Why when specific latent heat is absorb the temperature is constant?
13 What is formula to calculate specific latent heat?
14 What is specific heat capacity?
15 What is the formula to calculate specific heat capacity?
16 Write the formula to calculate the total heat absorbed when m kg ice at 0˚C
melts and become water at 20˚C.
17 Sketch a graph of temperature against time when ice at 0˚C melts until it
become steam at 100 ˚C.
18 What is refraction?
19 What is refractive index?
20 What is critical angle?
21 What happen to the ray of light when it travel from air to glass?
22 Explain how total internal reflection is produced.
23 Give 2 application of Total Internal refection
24 What is the type of sound wave?
25 What is transverse wave?
24 What is wavelength?
25 Show how to determine the wave length of transverse wave.
26 Compare the velocity of sound wave in solid,liquid and gases.
27 Explain why the velocity of sound wave is different when travel in the
different state of matter.
28 Sketch the rarefaction and compression region when sound wave travel from a
vibrating tuning fork.
29 What is the factor that influence the pitch of sound.
30 What is the factor that influence the loudness of sound.
31 Write the formula to calculate the velocity of wave.
32 Write all the components of electromagnetic wave.
33 What is the use of micro wave?
34 What is ‘echo’?
35 Write the formula to calculate the depth of sea bed using SONAR.
36 Why high frequency sound is used in determining the depth of sea bed?
37 Draw an example of series circuit.
38 Draw an example of parallel circuit.
39 List the characteristics of series circuit base on voltage, total resistance
and current.
40 List the characteristics of parallel circuit base on voltage, total
resistance and current.
41 In which circuit the total resistance is lower.
Prove it by using an example.
42 What is transformer.
43 Give two type of transformer.
44 State the differences of the two types of transformer.
45 What is an electromagnet?
46 Why soft iron core is used in electromagnet?
47 What is relay switch?

48 What is semiconductor?
49 Give two type of semiconductor.
50 Explain how p type semiconductor is produced.
51 What are the factors that influences the efficiency of a transformer.
52 State the ways to improve the efficiency of transformer.
Write formula to calculate efficiency.
53 What is a diode?
54 Explain forward bias and reverse bias.
55 State the uses of transistor.
56 Draw a transistor circuit that can acts as an automatic switch.
57 What is the characteristic of LDR?
58 What is a termistor?
59 What is rectification?
60 Draw full wave rectification circuit.
62 What is half life?
63 Give the characteristics of α,β and γ.
64 Why solid radioisotope is chosen to be used as source in determining the
thickness of a piece of paper.
65 Why source that emits γ ray is used in sterilization of medical
equipment?
66 Explain how radioisotope can be used the blockage of blood circulation
in human body.

TOPICS

1. SOUND WAVE
2. LATENT HEAT
3. PULLEY SYSTEM
4. PRESSURE IN LIQUID
5. REFRACTION , TOTAL INTERNAL REFLECTION
6. SERIES AND PARALLEL CIRCUIT
7. RECTIFICATION + DIODE + CAPACITOR
8. RADIOACTIVE, USES AND HAL LIFE
9. AEROFOIL + SAIL BOARD
10., TRANSISTOR AS AUTO SWICTH
11. SPEED (LORRY) , MOMENTUM
12. WAVE, DIFFRACTION OF SOUND WAVE EMT WAVE