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According to first law of thermodynamics, if thermal energy is applied to water placed in a cylinder fitted with a frictionless piston:

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According to first law of thermodynamics, if thermal energy is applied to water placed in a cylinder fitted with a frictionless piston: Answer: All of these

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the Engineering College Admission Test (ECAT) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.