O-LevelPhysicsWaves5054/21 · May/June 2016 · Q54 Marks
Light is a transverse wave. The direction of vibration is perpendicular to the direction of transfer of the energy. (a) Complete the table of Fig. 5.1 to show the direction of vibration and the type of wave associated with a sound wave and with a wave on the surface of water in a ripple tank. [Figure 5.1 (table)]
- (a)Complete the table of Fig. 5.1 to show the direction of vibration and the type of wave associated with a sound wave and with a wave on the surface of water in a ripple tank.[2]
- (b)(i)Determine the amplitude of the vibration at time = 0.25 s.[1]
- (b)(ii)Describe how the graph shows that the frequency of the wave is constant.[1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2016). The mark or mark type is shown in brackets.
- [B1] sound: along or parallel (to transfer of energy or wave) and longitudinal
- [B1] water: perpendicular and transverse
- [B1] 0.29 – 0.28 m
- [B1] time/period for one wave(length)/cycle constant or each oscillation/cycle takes one second
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