Quelpr
1 markSound

CSEC Physics · January 2010 · Paper 2 · Question 3(d)(ii)

A steelpan produces a sound of frequency 0.350 KHz. The speed of sound in air is 340 m s⁻¹.

If, this sound is generated under water instead, what is the frequency that would be detected?

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)What is meant by the term 'longitudinal wave'?[2 marks]
  2. 3(b)(i)Identify, using TWO letters, the distance between any TWO points of the following in the wavetrain: A wavelength[2 marks]
  3. 3(b)(ii)Identify, using TWO letters, the distance between any TWO points of the following in the wavetrain: The amplitude of the wave[2 marks]
  4. 3(c)In the box below, draw and label this waveform, clearly identifying (i) particle movement (ii) waveform movement (iii) at least one crest and one trough.[3 marks]
  5. 3(d)(i)What is the wavelength of the sound generated by the pan?[4 marks]
  6. 3(d)(iii)Calculate the refractive index of water.[3 marks]

More practice: the rest of this paper · more Sound questions · all CSEC Physics past papers