JAMB - Physics (2004 - No. 42)
Tea pots are often silver-coated to prevent heat loss by
conduction only
convention only
convection and conduction
radiation only
설명
Teapots are often silver-coated to prevent heat loss by reflecting infrared radiation. Silver is a good reflector of thermal radiation, which helps to minimize heat loss from the teapot, keeping the contents warm for a longer period.