Application of Electromagnetic Waves
Storyboard Text
- And I guess that would be enough for today! I hope you can continue studying about the applications of Electromagnetic Waves so that you will have an idea for our next lessons. Thankyou class and I hope you enjoyed our discussion for today!
- Like what you said earlier, it is usually used by the hospitals and clinics. The most familiar use of x-rays is checking for fractures (broken bones), but x-rays are also used in other ways. For example, chest x-rays can spot pneumonia. Mammograms use x-rays to look for breast cancer. It is very useful, isn't? And oh by the way, just a note that when you have an x-ray, you may wear a lead apron to protect certain parts of your body. Let's avoid possible danger, shall we?
- X-Rays, one of the application of Electromagnetic waves.
- But how do X-ray waves work, Ma'am?
- What are the caharcteristics of X-ray waves?
- Good questions! An X-ray is produced when a negatively charged electrode is heated by electricity and electrons are released, thereby producing energy. That energy is directed toward a metal plate, or anode, at high velocity and an X-ray is produced when the energy collides with the atoms in the metal plate. X-rays have waveforms characteristics similar to other electromagnetic waves. Namely, they have velocity, wavelength, frequency, and amplitude. When X-rays encounter matter, their characteristics are determined by the short wavelength of the radiation.
- How do X-ray waves work? And what are their characteristics?
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