Page 523 - SUBSEC October 2017_Neat
P. 523

UNIT 1
               MODULE 2: OSCILLATIONS AND WAVES (cont’d)


                SPECIFIC OBJECTIVES                 EXPLANATORY NOTES          SUGGESTED  PRACTICAL
                                                                               ACTIVITIES

                Harmonic Motion (cont’d)

                Students should be able to:
         1.3
                1.10.     explain  how  damping  is  Use  examples  such  as
                         achieved  in  some  real-life  motor  vehicle  suspension,
                         examples.                  rally car  driving, analogue
                                                    electrical meters and door
                                                    closures.

                2.        Properties of Waves

                Students should be able to:

                2.1.     use  the  following  terms:  Explanation  through  the
                         displacement,  amplitude,  use of graphs and sketches.
                         period,  frequency,  velocity
                         in relation to the behaviour
                         of waves;

                2.2.     differentiate    between  Explanation      of     the  Use virtual labs (PhET Suite).
                         transverse and longitudinal  movement of particles in
                         mechanical waves;          the medium of transmission
                                                    and  the  energy  of  the
                                                    waves.

                2.3.     represent  transverse  and
                         longitudinal       waves
                         graphically;

                2.4.     explain “polarisation”;    Give examples of polarised
                                                    waves.
                2.5.     use the equation  =  to
                         solve  problems  involving
                         wave motion;

                                                         2
                2.6.     use    the    relationship   ∝ 
                         intensity is proportional to
                                    2
                         (amplitude)  for a wave;










                            CXC A16/U2/17                  23
   518   519   520   521   522   523   524   525   526   527   528