Physics · Thermodynamics
Assertion (A): Hot tea kept in a thermos flask remains hot for a longer duration. Reason (R): A thermos flask is an example of a closed system.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A is true but R is false✓
- 2Both A and R are false
- 3A is false but R is true
- 4Both A and R are true and R is the correct explanation of A
Correct answer
A is true but R is false
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