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why diameter of a cavity increase when its temp. increase. Plzz give complete explanation. i am confused because i think that due to thermal expantion body expands uniformly in all directions then diameter should decrease.... Plzz clear my doubt... For eg this promlem... If you heat a metal ring equally on all sides, will the hole in the middle increase in size, decrease, or stay the same?


why diameter of a cavity increase when its temp. increase. Plzz give complete explanation.

i am confused because i think that due to thermal expantion body expands uniformly in all directions then diameter should decrease....
Plzz clear my doubt...

For eg this promlem...

 If you heat a metal ring equally on all sides, will the
hole in the middle increase in size, decrease, or stay the same?


Grade:10

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