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Question
A process in which no change in the mass number and atomic number of a nuclide takes place is known as :
A process in which no change in the mass number and atomic number of a nuclide takes place is known as :
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Solution
The correct option is A Gamma decay
Gamma rays are photons, so formally massless.
Gamma decay occurs when an atomic nucleus changes from a higher energy
state to a lower one. When it does the "extra" energy leaves in the form
of a gamma ray. That's gamma decay.
The gamma ray is electromagnetic energy. That means that there is not a
particle of anything involved in this event. Gamma decay is the
emergence of that gamma ray from the nucleus of an atom that is going
down in its energy state
Beta decay typically releases an electron or positron and a neutrino (which for all practical purposes is massless).
Gamma rays are photons, so formally massless.
Gamma decay occurs when an atomic nucleus changes from a higher energy state to a lower one. When it does the "extra" energy leaves in the form of a gamma ray. That's gamma decay. The gamma ray is electromagnetic energy. That means that there is not a particle of anything involved in this event. Gamma decay is the emergence of that gamma ray from the nucleus of an atom that is going down in its energy state
Beta decay typically releases an electron or positron and a neutrino (which for all practical purposes is massless).
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