A student places a hot copper block inside a sealed glass container. All of the air is then pumped out of the container to create a vacuum.
Which method or methods of thermal energy transfer can still take place through the vacuum to transfer heat away from the copper block?
Conduction and convection only
Radiation only
Conduction and radiation only
Convection and radiation only
99 exam-style questions on CIE IGCSE Physics 2.3.3a Thermal radiation. Each one has a worked solution and a mark scheme showing where the marks go.