Читать книгу The Physics and Technology of Diagnostic Ultrasound: A Practitioner's Guide - Robert Gill - Страница 19
Suggested activities
Оглавление1 Look at ripples travelling in water and think about the similarities and differences to ultrasound waves.
2 Calculate the wavelength for ultrasound frequencies of 5 MHz and 10 MHz. Check your answers against Table 2.1.
3 Calculate what frequency would give a wavelength of 0.51 mm and make sure you get the same answer as in the table above.