Physics 0625 · IGCSE · Transfer of thermal energy

Transfer of thermal energy — practice question

A hot object gives out thermal radiation. Which row shows two alterations that both lower the rate at which radiation is emitted?

  • Asurface area increased, surface temperature increased
  • Bsurface area increased, surface temperature reduced
  • Csurface area reduced, surface temperature increased
  • Dsurface area reduced, surface temperature reduced

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI