A rectangular piece of metal 3 cm high by 6 cm wide has a hole cut in its centre 1 cm high by 4 cm wide as shown in the diagram. As the metal is warmed from 0 °C to 100 °C, what will happen to the dimensions of the hole?

Question

Source Q40 diagram

Options:

Answer:

A

Solution:

A hole expands as if filled with the same metal.
Both its height and width increase.

TestHub · Accepted Answer

A hole expands as if filled with the same metal. Both its height and width increase.

Physics - Heat & Thermo Question with Solution | TestHub

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