defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Atoms Rutherford’s Nuclear Model of Atom

What is the radius of iron ₂₆Fe⁵⁶ nucleus? (given R0 = 1.2 × 10-15 m)

1

4.59 × 10^-15 m

2

5.9 × 10-14 m

3

1.43 × 10-16 m

4

6.5 × 10-15 m

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