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Suppose there is a hole in copper plate. On heating, diameter of hole would A. Always increase B. Always decrease C. Always remain same D. None of these?
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Suppose there is a hole in copper plate. On heating, diameter of hole ...
Effect of Heating on Diameter of Hole in Copper Plate


When a copper plate with a hole is heated, the diameter of the hole will always increase.


Explanation


When a metal is heated, its atoms start vibrating more rapidly, which causes the metal to expand. This is known as thermal expansion. In the case of a copper plate with a hole, the metal around the hole will expand uniformly, causing the hole to increase in diameter.


The amount of expansion depends on various factors such as the temperature of the metal, the size of the hole, and the thickness of the plate. The coefficient of thermal expansion for copper is 16.5 x 10^-6 per degree Celsius, which means that for every degree Celsius increase in temperature, the copper will expand by 16.5 x 10^-6 of its original size.


In conclusion, when a copper plate with a hole is heated, the diameter of the hole will always increase due to the thermal expansion of the metal.
Community Answer
Suppose there is a hole in copper plate. On heating, diameter of hole ...
A) always increase
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Suppose there is a hole in copper plate. On heating, diameter of hole would A. Always increase B. Always decrease C. Always remain same D. None of these?
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