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Atomic nucleus is central core of every ...

Atomic nucleus is central core of every atom in which the whole of positive charge and almost entire mass of atom is concentrated. It is a tiny sphere of a radius R is given by `R=R_(o)A^(1//3)`, where `R_(o)=1.4xx10^(-15)m`, a constant and A the mass number of nucleus
The radius of the nucleus of mass number 125 is

A

`175xx10^(-15)m`

B

`35xx10^(-15)m`

C

`70xx10^(-15)m`

D

`7xx10^(-15)m`

Text Solution

Verified by Experts

`R=R_(0)A^(1//3)`
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Atomic nucleus is central core of every atom in which the whole of positive charge and almost entire mass of atom is concentrated. It is a tiny sphere of a radius R is given by R=R_(o)A^(1//3) , where R_(o)=1.4xx10^(-15)m , a constant and A the mass number of nucleus On increasing the value of 'A' the density of the nucleus

Atomic nucleus is central core of every atom in which the whole of positive charge and almost entire mass of atom is concentrated. It is a tiny sphere of a radius R is given by R=R_(o)A^(1//3) , where R_(o)=1.4xx10^(-15)m , a constant and A the mass number of nucleus A graph between 'log((R )/(R_(0))) , and 'logA'

Knowledge Check

  • If A is mass number of a nucleus of Radius R, then

    A
    `A prop R^2`
    B
    `A prop R^(1/3)`
    C
    `A prop R`
    D
    `A prop R^3`

  • Atomic number of a nucleus is Z and atomic mass is M . The number of neutron is.

    A
    `M - Z`
    B
    M
    C
    Z
    D
    `M + Z`

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