(a) Find the size (in mm) of the smallest detail observable in human tissue with 19.5 MHz ultrasound. mm (b) What is the effective penetration depth (in cm)? cm (c) What is the wavelength (in µm) of such ultrasound in 0°C air? µm

(a) Find the size (in mm) of the smallest detail observable in human tissue with 19.5 MHz ultrasound. mm (b) What is the effective penetration depth (in cm)? cm (c) What is the wavelength (in µm) of such ultrasound in 0°C air? µm

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Wave Optics

Section: Chapter Questions

Problem 27P

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.

Question

(a) Find the size (in mm) of the smallest detail observable in human tissue with 19.5 MHz ultrasound.

(b)

What is the effective penetration depth (in cm)?

(c)

What is the wavelength (in µm) of such ultrasound in 0°C air?

µm

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