Light: Electromagnetic Waves

The video explains the presence of various electromagnetic waves around us and how we can detect them using simple devices. It covers radio waves, their long wavelengths, and low frequency, as well as their applications in radios and cell phones. The video also discusses X-rays, which have short wavelengths and high frequency, and their use in medical imaging to identify dental and bone issues.

Describe how frequency is measured in electromagnetic waves.

What role do X-rays play in medical diagnostics?