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4.in gamma ray emission from a nucleus. a)there is no change in the portion number and the neutron number b)only the proton number changes c)both the neutron number and the proton number change d)only the neutron number changes

4.in gamma ray emission from a nucleus.
a)there is no change in the portion number and the neutron number
b)only the proton number changes
c)both the neutron number and the proton number change
d)only the neutron number changes

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Gamma rays are typically emitted by the daughter nuclei produced as a result of alpha and/or beta decay of parent nuclei. The daughter nuclei produced from alpha and/or beta decay are generally excited (high energy state) and emit a gamma ray photon to come back to stable energy state. Therefore, in gamma decay, there is no change in neutron and proton number (because these particles do not undergo any reaction in the process).
Vikas TU
14149 Points
one year ago
During gamma decay the nucleus emits radiation without actually changing its composition: We start with a nucleus with 12 protons and 12 neutrons, and we end up with a nucleus with 12 protons and 12 neutrons but somehow radiation gets released along the way!

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