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What is the S.I unit of relative density?

What is the S.I unit of relative density?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Kg m-2
  • B Kg m2
  • C Kg cm3
  • D Has no S.I unit
Correct Answer: Option D
Explanation:
Note: relative density has no S.I unit
∴ Relative density = weight of substance ÷ weight of equal volume of water
RD = w1 ÷ (w1 – w2) (no S. I unit)

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