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Q:

वस्तु को गर्म करने पर उसके अणुओं में क्या परिवर्तन  हैं ?

  • 1
    चाल बढ़ जाएगी
  • 2
    भार घट जाएगा
  • 3
    भार बढ़ जाएगा
  • 4
    ऊर्जा कम हो जाएगा
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Answer : 1. "चाल बढ़ जाएगी"
Explanation :

When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.

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