JAMB - Physics (2025 - No. 34)
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?
0.15
0.10
0.25
0.20
คำอธิบาย
Answer: C
Fraction immersed = \(\frac{\text{density of block}}{\text{density of liquid}}\) = \(\frac{400}{1600}\) = 0.25.