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Answer to Question #3839 in Atomic and Nuclear Physics for mia

Question #3839
Write the nuclear equation for the transmutation of a radioactive radium isotope, 226Ra88, into a radon isotope, 222Rn86, by the emission of an α particle.
Expert's answer
When the electric current flows through the tungsten thread, the temperature of the conductor increases to several thousands degrees by Kelvin.
The conductor begins to emit electromagnetic thermal radiation. The higher temperature, the shorter the wavelength of the electromagnetic waves and the light emitted from a conductor (tungsten) becomes brighter (whiter). When the voltage is reduced and the temperature decreased, the percentage of visible light also decreases and the light becomes red.

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