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  • Read the following statements: (A) Volume of the nucleus is directly proportional to the mass number. (B) Volume of the nucleus is independent of mass number. (C) Density of th

Read the following statements:
(A) Volume of the nucleus is directly proportional to the mass number.
(B) Volume of the nucleus is independent of mass number.
(C) Density of the nucleus is directly proportional to the mass number.
(D) Density of the nucleus is directly proportional to the cube root of the mass number.
(E) Density of the nucleus is independent of the mass number.
Choose the correct option from the following options.
 

Option: 1

(A) and (D) only.
 


Option: 2

(A) and (E) only.
 


Option: 3

(B) and (E) only.
 


Option: 4

(A) and (C) only


Answers (1)

best_answer

\rightarrowRadius of nucleus is,

\mathrm{R=R_0 A^{1 / 3} }

\rightarrowVolume of nucleus \mathrm{ \propto R^3\propto A}

\rightarrow Density of nucleus is constant for all elements.

\rightarrow A & E as correct statements

Hence 2 is correct option

Posted by

Rakesh

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