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# X-ray Attenuation MCQs Quiz Online Tests pdf Download

Practice MCQs on x-ray attenuation, physics MCQs for online test prep. Medical imaging quiz has multiple choice questions (MCQ), x-ray attenuation quiz questions and answers as gradual decrease in x-ray beam intensity as it passes through material is called, answer key with choices as attenuation, decay, radioactivity and imaging for competitive exam prep. Free study guide is to learn x-ray attenuation quiz online with MCQs to practice test questions with answers.

## MCQs on X-ray Attenuation Quiz pdf Download

MCQ. Gradual decrease in x-ray beam intensity as it passes through material is called

1. attenuation
2. decay
3. radioactivity
4. imaging

A

MCQ. Attenuation coefficient of bone is 600 m-1 for x-rays of energy 20 keV and intensity of beam of x-rays is 20 Wm-2, then intensity of beam after passing through a bone of 4mm is

1. 3 Wm-2
2. 2.5 Wm-2
3. 2.0 Wm-2
4. 1.8 Wm-2

D

MCQ. Bones look white in x-ray photograph because

1. they are bad absorbers of x-rays
2. they reflect x-rays
3. they are good absorbers of x-rays
4. they are bad absorbers of ultraviolet rays

C

MCQ. Attenuation coefficient depends on

1. frequency of x-ray photons
2. wavelength of x-ray photons
3. energy of x-ray photons
4. amplitude of x-ray photons

C

MCQ. As x-rays pass through matter, it's intensity

1. increases
2. decreases
3. remains constant
4. may increase or decrease depending on object

B

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