Q. If a rod is heated and prevented from expanding, it will develop __________.
यदि किसी छड़ को गर्म किया जाए और उसे फैलने से रोका जाए, तो उसमें __________ विकसित हो जाएगा।
Explanation
If thermal expansion is restricted, the material experiences internal forces because it wants to expand but is not allowed to. This resistance creates thermal stress, which can lead to deformation or structural failure if not managed.
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