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SCAN ME
                  Self-Reflection                                                SCAN ME
                  Self-Reflection
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                                                                                   Self-Reflection
             1.  New things I have learnt in the chapter on ‘Pressure’
               are         ✎    .                                               http://bit.ly/35BhLeJ

             2.  The most interesting thing I have learnt in this chapter is   ✎  .
            KEMENTERIAN PENDIDIKAN MALAYSIA
             3.  The things I still do not fully understand are   ✎  .

             4.  My performance in this chapter.
               Poor         1     2     3     4      5          Very good

             5.  I need to       ✎     to improve my performance in
               this chapter.










           Summative Practice                                                        http://bit.ly/
                                                                                      37UiPw0

             1.  (a)  Derive the formula for pressure at depth h in a liquid with density ρ.
               (b)  Calculate the pressure at depth of 24 m in a lake that contains water with a
                   density of 1 120 kg m .
                                      –3
                   [Gravitational acceleration, g = 9.81 m s ]
                                                      –2

             2.  Figure 1 shows the apparatus for comparing the
               densities of two types of liquid after some air is sucked
               out of the apparatus.
               (a)  Explain why the pressure at point A is equal to the      Air sucked out
                   pressure at point B.
               (b)  Calculate the density of liquid X.                        Liquid X
                   [Density of water, ρ = 1 000 kg m ]             36.0 cm                  35.0 cm
                                                 –3
                                                                                  Water
             3.  Compare and contrast the existence of pressure in the
               liquids and the atmospheric pressure.                        Point    Point
                                                                            A           B




                                                                               Figure 1





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