Physics 0625 · IGCSE · Density

Density — practice question

Spheres P, Q, R and S are hollow glass spheres, and each has a mass of $72\,\text{g}$. The table shows their volumes. In a liquid with density $0.9\,\text{g cm}^{-3}$, which spheres will sink?

  • AP, Q and R
  • BQ, R and S
  • CR and S only
  • DS only

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