1. Radiation is the transfer of energy as electromagnetic waves. 2. Electromagnetic waves are measured by frequency or wavelength. Electromagnetic spectrum is a range of frequencies or wavelengths that an
electromagnetic wave can have.
3. There are two parts of the spectrum: Visible and invisible Gamma rays, X-ray, Ultraviolet, Infrared, microwaves, and radio waves are invisible radiations.
Sunlight is the visible spectrum
4. The shorter the wavelength, the higher the frequency and the energy.
5. Gamma, X-rays and Ultraviolet are very energetic while Infrared, microwaves, and radio waves are less energetic.
1 pts
Question 1
Electromagnetic radiation is energy that travels in waves. Some examples of electromagnetic radiation are visible light, radio waves, and
x-rays. Which statement is true for all forms of electromagnetic radiation?
O All forms of electromagnetic radiation have the same amount of energy in a vacuum
Al forms of electromagnetic radiation have the same wavelength
O All forms of electromagnetic radiation have the same frequency
All forms of electromagnetic radiation travel at the same speed in a vacuum
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