Which of the following statements are correct? I. Nuclear density i...

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Which of the following statements are correct?
I. Nuclear density is a constant for all matter.
II. Nuclear density is around \( 2.3 \times 10^{17} \mathrm{~kg} / \mathrm{m}^{3} \).
II. Nuclear density is very large compared to ordinary matter.
IV. Mass of ordinary matter is mainly due to nucleus.
(a) I, II and III
(b) II and III
(c) I and II
(d) I, II, III and IV
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