Physics
Grade-9
Easy

Question

As a result of thermal expansion, solids experience a change in _____.

  1. Length
  2. Area
  3. Volume
  4. All of the above

hintHint:

At higher energy levels, the average atom separation is also larger. When you increase the temperature for most objects, they expand.

The correct answer is: All of the above


    • Thermal expansion can be defined as the change in the length, width, height, or volume of any material on changing the temperature.
    • Higher temperatures mean higher energy levels. At higher energy levels, the average atom separation is also larger. When you increase the temperature for most objects, they expand.

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    text  Aluminium  end text 25 cross times 10 to the power of negative 6 end exponent
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