First Law Of Thermodynamics (Statement, Mathematical expression & condition)

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[@Aasiya_05]

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[@PAYEL_NATH45]

Sir your explanation was too good but if you use to talk in Hindi then it would be better to understand. Thank you.

[@Abcd-ye8sd]

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[@shivi_dance]

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[@TABLIGHEHIND]

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[@gunjanpathak1745]

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