Question

Which of the following statement(s) is/ are true about convection?​

1. Convection requires a medium for transfer of heat.​

2. In liquids, the predominant mode of heat transfer is convection.​

3. In convection, heat flows from the cold end to the hot end of the substance.​

• A. 1 and 3 only​
• B. 1 and 2 only​
• C. 1, 2 and 3​
• D. 2 and 3 only​

Answer 1

The correct option is B 1 and 2 only​