the radius of a nucleus of mass no. 16 is 3 Fermi.Find the radius of the nucleus of mass no. 128?

Question

Ramesh V · Answer

Average radius if nucleus is given by: R = R 0 A 1/3 A:mass number R 0 = 1.1x10 -15 m =1.1 fermi so, R 1 /R 2 = (A 1 /A 2 ) 1/3 given R 1 = unknown , R 2 = 3 fm , A 1 = 128 , A 2 = 16 So, R 1 = 2*(128/16) 1/3 R 1 = 6 fermi --- Please feel free to post as many doubts on our disucssion forum as you can. If you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE preparation. All the best. Regards, Naga Ramesh IIT Kgp - 2005 batch

Ramesh V · Answer

A small mistake from above solution its So, R 1 = 3*(128/16) 1/3 R 1 = 6 fermi

Rishi Sharma · Answer

Dear Student,
Please find below the solution to your problem.

Average radius if nucleus is given by:
R = R0A^(1/3) A:mass number R0 = 1.1x10-15m =1.1 fermi
so, R1/R2 = (A1/A2)^1/3
given R1 = unknown , R2 = 3 fm , A1 = 128 , A2 = 16
So, R1 = 3*(128/16)^1/3
R1 = 6 fermi

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the radius of a nucleus of mass no. 16 is 3 Fermi.Find the radius of the nucleus of mass no. 128?

the radius of a nucleus of mass no. 16 is 3 Fermi.Find the radius of the nucleus of mass no. 128?

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