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No. 4

Diagram 1.1 shows the meniscus of water in a measuring cylinder K, L, and M are three eye positions

while measuring the volume of the water.

Raah 1.1 menunu!!an meniscus air di dalam se"uah silinder. K, L, dan M adalah tiga !edudu!an mata

semasa mengu!ur "acaan isipadu air.

Diagram 1.1 Diagram 1.# Raah 1.1 Raah 1.#

$a% $i% &hich of the eye positions is correct while ta!ing the reading of the volume of water'

Kedudu!an mata yang mana!ah adalah "enar semasa mengam"il "acaan isipadu air'

((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

$ii% +plain how to avoid paralle error while ta!ing the reading'

-erang!an "agaimana untu! mengela! "erla!unya ralat parala!s semasa mengam"il"acaan'

((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

$"% $i%-he water in the measuring cylinder is replaced with / cm of mercury. 0n Diagram 1.# draw

the meniscus of the mercury in the measuring cylinder.

ir yang "erada di dalam silinder !emudiannya di tu!ar dengan / cmmer!uri.

Lu!is!an aras meniscus "agi "acaan mer!uri terse"ut yang "erada dalam silinder.

)1 mar!*

)1 mar!ah*

$ii% +plain why the shape of the meniscus of mercury is as drawn in Diagram 1.#.

-erang!an mengapa!ah teradinya "entu! meniscus mer!uri seperti dalam Raah 1.#.

((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

$c% $i% 2alculate the volume of a wooden "loc! with dimension of 3 cm, cm "readth and 1# cm

height in mand convert its value in standard form.

Kira umlah isipadu "angi "lo! !ayu yang "erdiamensi 3 cm, le"ar cm dan tinggi 1#

cm. Nyata!an awapan anda dalam "entu! mdan dalam "entu! asas.

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)# mar!s*

)# mar!ah*

$ii% 5ower is defined as the rate of change of wor! done. Derive the unit for power in terms of

its "asic units.

Kuasa "erma!sud !adar peru"ahan !era. 6asil!an unit "agi Kuasa dengan mengguna!an

unit asas.

)1 mar!*

)1 mar!ah*

No 7.

Diagram #.1 and #.# shows a different thermometer.

Diagram #.1

Raah #.1

Diagram #.#

Raah #.#

$a% 8"serve Diagram #.1 and #.#.

5erhati!an Raah #.1 dan #.#

$i% 2ompare the length of mercury.

9anding!an panang mer!uri.

(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

$ii% 2ompare the accuracy of the termometer

9anding!an !eituaan thermometer.

(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

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$iii% 9ased on the answer in $a% $ii%, state the relationship "etween the temperature and the

volume of mercury

9erdasar!an awapan dalam $a% $ii%, nyata!an hu"ungan antara suhu dengan isipadu

mer!uri

(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

$"% $i% :tate the meaning of sensitivity

Nyata!an ma!sud sensitivity

(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

$ii% 9ased on the answer in $"% $i%, state the relationship "etween the accuracy and sensitivity.

9erdasar!an awapan dalam $"% $i%, nyata!an hu"ungan antara !eituan dengansensitivity.

((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

)1 mar!*

)1 mar!ah*

$iii% 0f the li;uid of mercury is change to water, what happen to the reading of thermometer'

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$a% $ii% Ma!e sure the eye is perpendicular to the scale

$"% $i%

$"% $ii% -he cohesive force is larger than the adhesive

$c% $i% >olume ? $3 1/@#% $ 1/@#% $1# 1/@#%

? 4#/ 1/@7

? 4.#/ 1/@4m

$c% $ii% Power =

time

work=

time

ntdisplacemeForce Unit =

s

mkgms #= kg m2s-3

No 7.

$a% $i% Length Diagram #.1 is longer than #.#

$a% $ii% ccuracy Diagram #.1 is smaller than #.#

$a% $iii% &hen temperature increase the volume of mercury increase

$"% $i% a"ility of an instrument to detect a small change in the ;uantity measured

$"% $ii% &hen accuracy decrease, sensitivity increase

$"% $iii% Nothing change AA the water does not show the reading easily

$"% $iv% the colour of water is transparent

$c% -o increase the sensitivity of termometer