Why is ultrasound imaging considered safer than X-ray imaging for monitoring the development of a fetus during pregnancy?
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Practise MYP Physics questions on 4.5 Electromagnetic Spectrum, Imaging and Applications and review the explanations to check your understanding.
Use these questions for topic practice and to find ideas you want to revisit in your notes or lessons.
Why is ultrasound imaging considered safer than X-ray imaging for monitoring the development of a fetus during pregnancy?
Which of the following best describes the physical structure of an electromagnetic wave as it propagates through space?
True or False: On a graph showing frequency () on the vertical axis and wavelength () on the horizontal axis for electromagnetic waves in a vacuum, the relationship is represented by a straight line with a positive slope.
Which of the following waves requires a physical medium (such as air or water) to propagate and is classified as a longitudinal wave?
While X-rays are produced by the interaction of fast electrons with a metal target, gamma rays are distinct because they are produced during __________ transitions within an atom.
Ultrasound waves are non-ionizing
Ultrasound is part of the visible spectrum
Ultrasound travels faster through soft tissue
Ultrasound uses higher energy waves
A longitudinal wave of pressure variations in the aether
A single electric field oscillating parallel to the direction of energy transfer
A stream of particles that only move in a straight line without oscillation
A transverse wave of oscillating electric and magnetic fields perpendicular to each other
True
False
Gamma rays
Ultrasound
Microwaves
X-rays
electron shell
thermal
nuclear
molecular vibration