Quelpr
1 markProperties of Waves

CAPE Physics Unit 1 · 2004 · Paper 2 · Question 6(a)(ii)

Draw sketches to show the refraction of sound waves as the waves travel from cool air to warmer air and from warm air to cooler air.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)Explain what is meant by 'refraction of sound waves'.[8 marks]
  2. 6(a)(iii)Hence explain why sound waves are more audible at night than in the day.[1 mark]
  3. 6(b)Using these data, calculate a value for the speed of sound in air.[4 marks]
  4. 6(c)(i)Calculate the amplitude of the wave at the chair on the perpendicular bisector (centre line) of the line between the speakers.[8 marks]
  5. 6(c)(ii)At what MINIMUM distance, D, to the right of this central chair is there a MAXIMUM in the sound intensity?[1 mark]

More practice: the rest of this paper · more Properties of Waves questions · all CAPE Physics Unit 1 past papers