. We know that material bodies


We know that material bodies

 

(a) Contract on heating and expand on cooling.                                

 

(b) Neither expand nor contract on heating

 

(c) Expand on heating and contract on cooling.                                

 

(d) Expand on cooling and remain unaffected on heating

 

 

Best Answer

Ans. (c)

 

Explanation: - Material bodies expand on heating and contract on cooling as a result of which their dimensions change.

 

 

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