R

Ruchi Sharma • 9.87K Points
Tutor III Physics 

Q. On heating a circular metallic disc with a circular hole at the centre, the diameter of the hole will

  • (A) increase
  • (B) first increase, then decrease
  • (C) decrease
  • (D) remain the same
  • Correct Answer - Option(A)
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  • Filed under category Physics

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