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a disc has a hole. what will happen with the hole when we heat it .

please ans with explanation

  • Dipasha
  • 2535 Views
  • 19 Answers
  Answer
19 Answers

  • radius will increase as r'=r(1+a∆t)

    0

  • increases

    0

  • hole size will increase

    0

  • size of the hole will increase towards outside and inside

    0

  • expansion takes place

    0

  • the diameter increases

    0

  • may be the answer be wrong bcz expansion is like photographic expansion do the hole size must increase...

    1

  • it will increase due to the photographic expansion

    6

  • size of the hole increased

    0

  • size of the hole will increase

    4

  • expand.

    2

  • size of hole will increase

    3

  • that hole expands outwards I.E-it's diameter increases

    2

  • so the hole size decrease

    1

  • size of hole increases ....it's expalined by linear expansivity...

    0

  • yes it will decrease as the disc will expand both inwards as well as outwards

    1

  • but the ans is that it will decrease

    0

  • Radius of hole increase with increase temperature...hence ultimately hole size increase..

    1

  • size of hole increases

    -2
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