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Question 18

Sound waves are longitudinal and electromagnetic waves are transverse.

a.

A sound wave used for a medical scan has a frequency of 2.5 MHz2.5\text{ MHz}2.5 MHz.

State and explain what type of sound wave this is.

[2]
b.

The wave travels through muscle tissue at a speed of 1.5 km/s1.5\text{ km/s}1.5 km/s.

Calculate the wavelength of the wave in muscle tissue.

[3]
c.

Describe one use of gamma rays in medicine.

[2]
Markscheme

Sound Questions

  1. IGCSE
  2. /Physics
  3. /Sound

295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.

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