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प्रश्न
Name the radiations that are emitted during the decay of a nucleus, which has highest penetrating power?
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उत्तर
gamma/γ
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संबंधित प्रश्न
A certain radioactive nucleus emits a particle that leaves its mass unchanged, but increased its atomic number by one. Identify the particle and write its symbol.
What changes occurs in the nucleus of radioactive elements when it emits (a) an alpha particle (b) beta particle and (c) gamma radiations? Give one example in each case in support of your answer.
A nucleus is \[\ce {^24_11 Na}\] is β-radioactive.
What are the numbers 24 and 11 called?
Complete the following nuclear change:
\[\ce {^a_x P -> Q + ^0_-1β}\]
Complete the following nuclear change:
\[\ce{^238_92U -> ^234_90Th}\] + ______ + energy
Complete the following nuclear change:
\[\ce {^238_92 P \text ->[α] Q \text ->[β] R \text ->[β] S}\]
An element P disintegrates by α-emission and the new element suffers two further disintegration, both by β-emission, to form an element Q. Explain that fact P and Q are isotopes.
Does the emission of gamma radiation result in a change in the mass number?
A radioactive nucleus X emits an alpha particle followed by two beta particles to form nucleus Y.
- With respect to the element X, where would you position the element Y in the periodic table?
- What is the general name of the elements X and Y?
- If the atomic number of Y is 80 then what is the atomic number of X?
A radioactive source emits three type of radiations.
From which part of the atom do these radiations come?
