Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?
- A. Conduction
- B. Convection
- C. Radiation
- D. Reflection
- E. None of these
Explanation
Heat from a fire reaches a nearby person mainly as infrared radiation, which can travel through space without a medium. Convection heats fluids such as the water in the kettle, while conduction requires direct contact.
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