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The linear expansivity of brass is 2 × 10^-5 °C^-1

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The linear expansivity of brass is 2 × 10^-5 °C^-1 if the volume of a piece of brass is 10cm3 at 0°C, what will be its volume at 100°C?

The linear expansivity of brass is 2 × 10^-5 °C^-1

Now for the right answer to the above question:

  1. A is the right answer.
  2. B is incorrect.
  3. C is incorrect.
  4. D is incorrect.

KEY-POINTS…

You may please note this/these:

  • Volume expansivity = 3 × linear expansivity
  • Volume expansivity = (change in volume) / (original volume × change in temperature)

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/ culled from 2020 JAMB-UTME physics past question 30 /

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