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This being my 1st question.... first time Ques. When a metalic ball having a spherica cavity is heated up, the volume of cavity decreases.... it means its diameter decreases. Now when a metalic plate having a circular hole at its centre is heated up, it diameter increases..... how? Please explain the reasons. My mail ID : spal@bhelpser.co.in Rohit Pal


This being my 1st question.... first time
 
Ques. When a metalic ball having a spherica cavity is heated up, the volume of cavity decreases.... it means its diameter decreases.
Now when a metalic plate having a circular hole at its centre is heated up, it diameter increases..... how?
 
Please explain the reasons.
 
My mail ID : spal@bhelpser.co.in 
 
Rohit Pal


Grade:10

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