Multiple choice

Find the volume of a spherical shell whose external and internal radii are 6 cm and 4 cm, respectively.

  1. 304π/3 cm3

  2. 154π cm3

  3. 606π cm3

  4. 608π/3 cm3

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Volume of a spherical shell = 4π/3 (R3 – r3)

= 4π/3 (63 - 43)

= 4π/3(152)

= 608π/3 cm3

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