X Rays
Roentgens are units of radiation exposure used for x-rays and gamma rays. They are defined in terms of the number of ions produced in one cubic centimeter of air by the radiation.
doctors still use
That means the Roentgen rays are electrically neutral.
That they have neither a negative or positive charge
270 roentgens causes death in 20% of people within 2 to 6 weeks. The rate of death increases as the roentgens of radiation increases, 1,000 roentgens being enough to ensure 100% death rate from radiation sickness and 5,000 roentgens causing instant incapacitation and death within a week.
An exposure of 0.02 what? No units are given, so conversion to roentgens cannot be made.
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It means that they are skew.
Gamma rays have the same basic nature as X-rays and are a form of electromagnetic radiation. They are high-energy photons with the shortest wavelengths and highest frequencies in the electromagnetic spectrum.
Light "rays" are both waves and particles, that is the nature of light. Thus Gamma Rays is the name for a type of light that is in essence just the same as visible light, radio waves, heat and X rays.
Yes, ozone layer belongs to nature. It protects us from harmful UV rays.
rays can be of some benefit in the diagnosis of contractures, because a visible decrease in joint space may indicate a tight, contracted joint