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Question
For a plate or lamina,we consider the expansion in its area which is called the ........expansion
For a plate or lamina,we consider the expansion in its area which is called the ........expansion
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Solution
The correct option is C Both
On heating, a thin plate(lamina), the increase in its thickness is negligible as compared to the increase in length and breadth.
Thus, for a plate or lamina, we consider the expansion in its area which is called the superficial/surface expansion.
On heating, a thin plate(lamina), the increase in its thickness is negligible as compared to the increase in length and breadth.
Thus, for a plate or lamina, we consider the expansion in its area which is called the superficial/surface expansion.
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