Physics › Heat › Question #1355
Single Choice Not Set

QA hollow sphere of radius R, a hollow cube of side R and thin circular plate of radius R made up of some material, are all heated to 200C above room temperature. When left to cool in the room, which of them will reach the room temperature first?

ID: #1355 Heat 1,008 views
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  • A circular plate ✔ ✖
  • B cube ✔ ✖
  • C sphere ✔ ✖
  • D all of them will reach the room temperature at the same time ✔ ✖
Correct Answer

Explanation

Sphere will reach the room temperature first.

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