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प्रश्न
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of a number of neutrons to that of protons in the final nucleus will be ______.
पर्याय
`("A" - "Z" - 4)/("Z" - 2)`
`("A" - "Z" - 2)/("Z" - 6)`
`("A" - "Z" - 4)/("Z" - 6)`
`("A" - "Z" - 12)/("Z" - 4)`
उत्तर
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of the number of neutrons to that of proton in the final nucleus will be `underline(("A" - "Z" - 2)/("Z" - 6))`.
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संबंधित प्रश्न
The nucleus is approximately spherical in shape. Then the surface area of nucleus having mass number A varies as ______.
Mp denotes the mass of the proton and Mn denotes mass of a neutron. A given nucleus of binding energy B, contains Z protons and N neutrons. The mass M (N, Z) of the nucleus is given by(where c is the speed of light)
Define the ionization energy.
What is isotope? Give an example.
What is isotone? Give an example.
What is isobar? Give an example.
Define atomic mass unit u.
What is binding energy of a nucleus? Give its expression.
Give the physical meaning of binding energy per nucleon.
Explain the variation of average binding energy with the mass number using a graph and discuss about its features.
