Question

29,850 Learners found this answer helpful

what is the process called when a metal spoon placed in hot water heats up? *
convection
conduction
rarefaction
radiation

Explanation:

• Convection: Involves heat transfer through fluid (liquid or gas) movement. Here, it's a metal spoon (solid) in water, so not convection.
• Conduction: Heat transfer through direct contact (molecule - to - molecule transfer). The metal spoon (solid) is in direct contact with hot water (liquid), so heat transfers via conduction.
• Rarefaction: Related to wave phenomena (like in sound waves, areas of low pressure), not heat transfer.
• Radiation: Heat transfer via electromagnetic waves (no medium needed). But here, there is a medium (water and spoon in contact), so not radiation.

Answer:

B. Conduction