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MODUL • Fizik TINGKATAN 5



                                  1. Radas dan bahan disediakan seperti dalam  1. Tangki riak disediakan seperti dalam rajah
                                    rajah dengan panjang bandul ditetapkan pada      dan sehelai kertas putih diletakkan di bawah
                                    90.0 cm.                                   tangki riak.
                                    Apparatus and materials are set up as shown in    A ripple tank is set up as shown and a sheet of
                                    the diagram with the length of pendulum fixed    white paper is placed under the ripple tank.
                                    at 90.0 cm.                              2. Hidupkan suis motor penggetar pada
                                  2. Hujung bandul ditarik ke sisi dengan sudut    frekuensi 10 Hz.
                                    sesaran yang kecil dan dilepaskan.         Switch on the vibrator motor at a frequency of
                                    The pendulum is pulled sideways with a small    10 Hz.
                                    angular displacement and released.       3. Perhatikan gelombang air dengan
                                  3. Masa 10 ayunan lengkap, t  diukur dan      menggunakan stroboskop, ukur panjang
                                                         1
                                    direkodkan.                                gelombang dan rekodkan.
               Prosedur
         UNIT 1
               Procedure            The time for 10 complete oscillations, t , is    Observe the water waves by using the stroboscope,
                                                                 1
                                    measured and recorded.                     measure the wavelength and record it.
                                  4. Langkah (3) diulangi untuk mendapatkan t .  4. Ulangi eksperimen sekurang-kurangnya
                                                                     2
                                    Step (3) is repeated to get t .            empat kali dengan frekuensi motor penggetar:
                                                        2
                                  5. Eksperimen diulangi dengan ℓ = 80.0 cm,    20 Hz, 30 Hz, 40 Hz dan 50 Hz.
                                    70.0.cm, 60.0 cm, 50.0 cm dan 40.0 cm.     Repeat the experiment at least four times at the
                                    The experiment is repeated using ℓ = 80.0 cm,       frequencies of vibrator motor: 20 Hz, 30 Hz,
                                    70.0 cm, 60.0 cm, 50.0 cm and 40.0 cm.     40 Hz and 50 Hz.
                                                                      _
                                                       _  t  +  t 2  t
                                                           1
                                                                  T =
                                                       t =
                                  6. Bacaan direkodkan dan                     ,
                                                            2
                                                                     10
                                       dan T  dikira.
                                         2
                                                            _  t  +  t 2
                                                                1
                                                            t =
                                       The readings are tabulated and                       ,
                                                                 2
                                         _
                                         t
                                     T =       and T are calculated.

                                                2
                                        10
                                                  t / s                                                Panjang
                                                                       2
                                   ℓ/cm                  _      T / s  T  / s 2  Frekuensi, f / Hz   gelombang, λ / cm
                                           t 1 / s  t 2 / s  t / s              Frequency, f / Hz   Wavelength, λ / cm
                                   90.0                                               10
               Penjadualan data    80.0                                               20
               Tabulation of the data
                                   70.0                                               30
                                   60.0                                               40
                                   50.0                                               50
                                   40.0

                                          T  / s 2                                     λ / cm
                                           2

               Menganalisis data
               Analysis of the data


                                           0               ℓ / cm                      0               f / Hz







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