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Question
A steel wire with heavy mass suspended from it can cut through both the ice and wax blocks, but only the wax block is obtained in two pieces because ____.
A steel wire with heavy mass suspended from it can cut through both the ice and wax blocks, but only the wax block is obtained in two pieces because ____.
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Solution
The correct option is D water is denser than ice
The cutting happens in the wax block because the high pressure of wire tears through the wax and divides it into two pieces. On the other hand, in the ice block the cutting happens because the high pressure of wire melts the ice by virtue of regelation. Once the pressure is removed the water freezes again and a single block of ice is obtained. Regelation occurs only in ice because it is less dense than water.
The cutting happens in the wax block because the high pressure of wire tears through the wax and divides it into two pieces. On the other hand, in the ice block the cutting happens because the high pressure of wire melts the ice by virtue of regelation. Once the pressure is removed the water freezes again and a single block of ice is obtained. Regelation occurs only in ice because it is less dense than water.
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