Hot Holes
Classical Mechanics
Level
2
A circular metallic plate has a symmetric circular hole exactly in its mid. If this plate is heated uniformly then what will happen to the size of the hole.
Decreases unevenly
Increases
Decreases
Remains the same
How does it matter?
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1 solution
Consider the disc as two arcs joined together. So now when an arc is heated its diameter increases and so will happen in the case of the disc