Which of the following statements is true? A. X rays with longer wavelengths penetrate farther than rays with shorter wavelengths. B. X rays with shorter wavelengths penetrate farther than rays with longer wavelengths C. Electromagnetic radiation with lower frequency has more penetrating power through space and matter. D. Read the statements given below. If the statement is true, write “T” on the line in front of the statement. If it is false, write “F” and rewrite the statement to make it true. 13) Radiant energy spreads out from its source in all directions. 14) Electromagnetic radiation includes only visible light waves.
The effects of radiation on nervous tissues have been a subject of active investigation since changes in animal behavior and nerve electrical properties were first reported in the Soviet Union during the 1950s and 1960s. 1 RF radiation is reported to affect isolated nerve preparations, the central nervous system, brain chemistry and histology, and the blood-brain barrier. As I mentioned briefly before, radio waves are also light waves. Infrared radiation is a kind of light wave (usually abbreviated as IR). The same is true of ultraviolet waves (UV), x-rays, and gamma-rays. These are all different kinds of light. The difference between these other types of light and visible light is again the wavelength of the light.
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