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Tamil Nadu Board of Secondary EducationHSC Science Class 12

Show that nuclear density is almost constant for nuclei with Z > 10. - Physics

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Question

Show that nuclear density is almost constant for nuclei with Z > 10.

Short Note

Solution

Nuclear density `rho = "mass of the nuclei"/"Volume of the nuclei"`

`= "A.m"/(4/3 pi"R"_0^3 "A") = "m"/(4/3 pi"R"_0^3)`

`rho = (1.67 xx 10 - 27)/(4/3 pi xx (1.2 xx 10^-15)^3)`

`= 2.3 xx 10^17`kg m-3

The nuclear density is independent of the mass number A. The nuclear density is almost constant for all the nuclei (Z > 10) irrespective of its size.

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Chapter 9: Atomic and Nuclear physics - Evaluation [Page 190]

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Samacheer Kalvi Physics - Volume 1 and 2 [English] Class 12 TN Board
Chapter 9 Atomic and Nuclear physics
Evaluation | Q II. 15. | Page 190
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