Question

If the radius of a nucleus ²⁵⁶X is 8 fermi, then the radius of
⁴He nucleus will be
(a) 16 fermi (b) 2 fermi (c) 32 fermi (d) 4 fermi

Answer 1

Answer:

ANSWER

R=R0(A)1/3

∴ R2R1=(A2A1)1/3=(4256)1/3=4

R2=4R1=2 fermi