List of Topics

SfC Home > Physics > Electromagnetic Waves >


Mini-Quiz: X-ray Characteristics

by Ron Kurtus

Take this Mini-Quiz to check your understanding of the lesson material.

1. How fast do x-rays travel?

It is impossible to measure their speed, since they are invisible

At the speed of light

At the speed of electrons

2. If x-rays go right through things, how can you see our bones in an x-ray picture?

The doctors usually draw in the bones with special software

Bones absorb more of the x-rays than softer and less dense materials

Your bones are made of lead

3. Why are x-rays dangerous?

They ionize atoms, which can injure or kill cells in your body

X-rays are very bright and can harm your eyes

They fog photographic film from miles away

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Look toward being great

Resources and references

Ron Kurtus' Credentials


Electromagnetic Waves Resources

Physics Resources


(Notice: The School for Champions may earn commissions from book purchases)

Top-rated books on X-Rays

Top-rated books on Electromagnetic Waves

Share this page

Click on a button to bookmark or share this page through Twitter, Facebook, email, or other services:


Students and researchers

The Web address of this page is:

Please include it as a link on your website or as a reference in your report, document, or thesis.

Copyright © Restrictions

Where are you now?

School for Champions

Physics topics

Mini-Quiz: X-ray Characteristics

Electromagnetic Wave topics

Long wavelengths

Visible frequencies

Short wavelengths

Also see

Live Your Life as a Champion:

Take care of your health

Seek knowledge and gain skills

Do excellent work

Be valuable to others

Have utmost character

Be a Champion!

The School for Champions helps you become the type of person who can be called a Champion.