A radioactive substance emit nuclear radiations.
Radio Radio was created in 1977.
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Radio Telescope Arrays
J'écoute la radio - I listen to the radio
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Radio-isotop
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For example, when heat from sunlight is absorbed by a substance, the substance gets hot. Also, when radio waves are absorbed (for instance, by a wall), the energy is converted to heat.
The formula for the speed of light, in vacuum, isc = 299,792,458 meters/second . where ' c ' is the speed of light.In any material substance, the speed of light isc/(the index of refraction for that substance) . Gamma rays, radio waves, and all other members of the electromagnetic spectrumbetween those, all have the same speed.
a radio active substance has half life of 5 days initial mass of 12kg.how much the original isotope will remain after 10 days?
A relay in science is an object or action that passes along a substance or information without altering it. For example, a radio relay would detect faint radio waves and rebroadcast them so that the signal can travel further. Another example, is when a teacher relays their knowledge to students.
A radio opaque substance is something that resists the passage of X-Rays, or other radiation. It is often injected into the heart for a coronary angiogram, into the brain for a cerebral angiogram, or into the cerebralspinal fluid for a myelogram. It makes things stand out on an X-Ray or fluoroscope, making it easier to see internal structures and conditions. It can also be injected systemically, to enhance the constrast of an ordinary X-Ray or CT scan.
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What they mean by "hot" is when the substance is "radioactive" and as such it could be detected by an X-ray film. I am not to sure with the "cold" method.
Radio Radio Radio was created on 1993-08-26.
No. radio carbon dating is only efficient for the fossils of plants or animals. As pottery is an abiotic substance its age cannot be determined by carbon dating
Radio Radio was created in 1977.