Which of the following will radiate heat to a large extent?

Rough surface

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Polished surface

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Black rough surface

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Black polished surface

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C Black rough surface
A black body absorbs maximum heat and hence radiates maximum heat. If the surface is shiny then the heat gets reflected back and the absorption of heat is very less. Hence a black non-shiny or rough body would radiate maximum heat.

Suggest Corrections