Physics 0625 · IGCSE · Density

Density — practice question

The four hollow glass spheres P, Q, R and S each have a mass of 72 g. Their volumes are shown in the table. Which spheres will sink in a liquid with density $0.9\,\text{g cm}^{-3}$?

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

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