1. JABATAN PELAJARAN TERENGGANU
BIMBINGAN EMaS TAHUN 2007
PHYSICS
Module 1
Panels:
Ahmad bin Ismail
Noormi bin Ramli
Mohd Zamry bin Abdullah
Mamat bin Sulong
Zainal bin Yono
2. 1. Complete Table 1 by filling the appropriate column.
Prefix Symbol Value
nano n 10 -9
μ 10 -6
milli 10 -3
deci d
k
giga 10 9
TABLE 1
2. 50 pieces of plumbum pebles of mass 0.5 g each with diameter 0.2 mm are dropped from a height
of 28 m. The pebles fall with an acceleration of 10 m s -2 before hitting a block of thin plumbum of
weight 30 N. When the pebles hit the plumbum block, the tempreture increased by 1.2 oC and
produced 320 J of heat energy.
Based on the above description, gather the physical quantities involved according to their
characteristis.
3. Figure 3.1 shows a milliammeter before it is connected to a circuit.
mA
mirror strip
FIGURE 3.1
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3. (a) (i) Name an error shown by the miliammeter in Figure 3.1.
……………………………..………………………………………................…………..
(ii) What is the sensitivity of the milliammeter?
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(b) An electric current of 23 mA is passing through the milliammeter.
(i) Write 23 mA in standard form.
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(ii) On the Figure 3.2, draw the position of the pointer if the error is not corrected.
mirror strip
mA
FIGURE 3.2
(iii) Explain how the mirror strip can increase the accuracy of the meter reading?
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4. Figure 4.1 and Figure 4.2 show a measuring instrument.
(a) Name
(i) the instrument. ……………………………………………………………………………..
(ii) the physical quantity measured by the instrument.
….…………………………………………………………………………………………….
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4. X papers
Zero error
FIGURE 4.1 FIGURE 4.2
(b) (i) State the function of part X.
………................................................................................................................ ………
(ii) What is the value of the zero error of the instrument?
………............................................................................................................................
(c) Figure 4.2 shows the instrument being used to measure 25 pieces of papers.
(i) What is the actual reading of the instrument?
………............................................................................................................................
(ii) Calculate the thickness of a piece of the paper.
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5. 5 Figure 5 shows a velocity-time graph of a ball.
Velocity / cm s-1
60
50
40
30
20
10
Time / s
1 2 3 4 5 6 7 8
FIGURE 5
(a) (i) What is the initial velocity of the ball?
. ……………………………………………………………………………………………………..
(ii) State the characteristic of the motion of the ball.
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(b) Calculate the acceleration of the ball.
(c) Explain how the motion of the ball obtained.
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6. A student measured the diameter of a wire using a metre rule as shown in Figure 6.1.
20 Complete curls
FIGURE 6.1
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6. (a) Why is the measurement does not start from zero?
…………………………………………………………………………………………..…………………
(b) State a reason why the measurement is done by 20 turns and not one turn.
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(c) What is the diameter of the wire?
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(d) Suggest a suitable instrument which can be used to measure the diameter of the wire .
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7 A student carry out an experiment to investigate the relationship between the extension of a
rubber strip, y and the load, m. The apparatus arranggement is shown as FIGURE 7.1. the is
length of the rubber strip when a load is hung on it.
FIGURE 7.1
Initially there is no load hung to the rubber strip. The length of the rubber strip is . The original
0
length is shown as in Figure 7.2.
0
The experiment is repeated using load, m = 0.3 kg, 0.6 kg, 0.9 kg, 1.2 kg and 1.5 kg. The length
of the rubber strip when different load is hung to it is shown in Figure 6.2.
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7. m = 0 kg
m = 0.3 kg
m = 0.6 kg
m = 0.9 kg
m = 1.2 kg
m = 1.5 kg
FIGURE 7.2
(a) Based on the explaination above, state the
(i) manipulated variable
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8. (ii) responding variable.
………………………………………………………………………………………….…………
(iii) fixed variable.
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(b) Based on Figure 7.2, determine the length of the rubber strip and
0 when different load is
used. In each measurement, calculate the extension, y of the rubber strip.
Tabulate your result for m, and, y.
(c) On the graph paper provided, plot a graph of y against m.
(d) Using your graph, state the relationship between y and m.
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