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Measuring Mass

What is the m...

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What is the meaning of r0 in the formula r=r0*A^1/3 used for the calculation of radius of nucleus?

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Q. Radius of nucleus may be given as

R_{N} = R_{0} . A^{1 / 3}

A = m a s s n u m b e r

R_{0} = C o n s t a n t

. Calculate the density of nucleus of an atom if

R_{0} = 1.2 \times 10^{- 15}

[N_{A} = 6 t i m e s 10^{23} \times 8 π \times (1.2)^{3}

1000

Q. Radius of nucleus may be given as

R_{N} = R_{0} A^{1 / 3}

A =

mass number and

R_{0} =

constant. Show that the nuclear matter density is nearly constant.

R_{0} = 1.2 \times 10^{- 15}

.

Q. Radius of nucleus varies as

R = R_{0} (A)^{1 / 3}

R_{0} = 1.3

Fermi. What is the volume of

B e^{8}

nucleus (approx) [

A

= atomic mass] ?

Q. The plots of

ln [\frac{R}{R_{0}}]

ln A

R

is radius of nucleusand

A

is its mass number)

Q. The graph of

ln (R / R_{0})

ln A

(R =

radius of a nucleus and

A =

its mass number) is then

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