Skip to content

Course home

Sign up

Medical imaging

EasyMedium
12345678910111213141516171819202122
Question 16

A beam of ultrasound is incident normally at a boundary between two tissues, X X\,X and YYY. The physical properties of the tissues are shown in the table below:

Tissue XXXTissue YYY
Density of tissueρ\rhoρ1.4ρ1.4\rho1.4ρ
Speed of ultrasoundvvv1.5v1.5v1.5v

What percentage of the intensity of the ultrasound is reflected at the boundary?

A

1.3%

B

5.8%

C

12.6%

D

35.5%

Markscheme

Medical imaging Questions

  1. A Level
  2. /Physics
  3. /Medical imaging

25 exam-style questions on OCR A A Level Physics Medical imaging, covering Using X-rays, Diagnostic methods in medicine, and Using ultrasound. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank