The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass.An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water.The change in length of the ordinary glass rod will be __________ times the change in length of the Pyrex glass rod.

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The Answer of The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass.An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water.The change in length of the ordinary glass rod will be __________ times the change in length of the Pyrex glass rod.

The Coefficient of Linear Expansion of Ordinary Glass Is Three