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A wooden block of relative density 0.4 floats in a liquid of density 1600 kg...

Physics
JAMB 2025

A wooden block of relative density 0.4 floats in a liquid of density 1600 kg m\(^{-3}\). What fraction of its volume is immersed?

  • A. 0.15
  • B. 0.10
  • C. 0.25
  • D. 0.20
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Correct Answer: Option C
Explanation

Answer: C

Fraction immersed = \(\frac{\text{density of block}}{\text{density of liquid}}\) = \(\frac{400}{1600}\) = 0.25.

There is an explanation video available below.

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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now