Paper 2 H - SAMPLE SET 1 Q11 Answers
11) Waves may be either longitudinal or transverse.
11.1) Describe the difference between a longitudinal and a transverse wave. [2 marks]
11.2) Describe one piece of evidence that shows when a sound wave travels through the air it is the wave and not the air itself that travels. [1 mark]
11.3) Figure 19 shows the parts of a moving-coil loudspeaker.
A coil of wire is positioned in the gap between the north and south poles of the cylindrical magnet.
11.1) Describe the difference between a longitudinal and a transverse wave. [2 marks]
11.2) Describe one piece of evidence that shows when a sound wave travels through the air it is the wave and not the air itself that travels. [1 mark]
11.3) Figure 19 shows the parts of a moving-coil loudspeaker.
A coil of wire is positioned in the gap between the north and south poles of the cylindrical magnet.
Explain how the loudspeaker converts current in an electrical circuit to a sound wave. [6 marks]
(Total for Question 11 = 9 marks)
(Total for Question 11 = 9 marks)