As per your syllabus, an ISOLATED system is exemplified by which container?
- A copper sealed vessel
- A thermos flask (no matter + no energy exchange)
- A cylinder with a piston
- An open beaker
Show answer and solution
Correct answer: B. A thermos flask (no matter + no energy exchange)
As per your syllabus, thermos flask is the textbook example of isolated system — no matter AND no energy crosses boundary.