NEET Physics Heat Transfer MCQ Question
Imagine a scenario where a fluid is heated from below, causing the hot parts to rise and be replaced by cooler parts. What is the mechanism described here?

Natural convection
Forced convection
Conduction
Radiation
Correct Answer
Detailed Explanation
The described process involves the bulk movement of fluid due to temperature differences, where hot fluid rises and cold fluid sinks, characteristic of natural convection as per NCERT context.
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