Which of the following is an example of radiation?

A. A metal spoon becomes warm after being set in a pot of boiling water.

B. Warm water rises because it is less dense than cool water.

C. Pancake batter cooks quickly after being spooned onto a hot griddle.

D. Our atmosphere is constantly being heated by the sun.

Question

Which of the following is an example of radiation?

A. A metal spoon becomes warm after being set in a pot of boiling water.	

B. Warm water rises because it is less dense than cool water.	

C. Pancake batter cooks quickly after being spooned onto a hot griddle.	

D. Our atmosphere is constantly being heated by the sun.

aaronq · Answer

a metal spoon would give off infrared radiation after being heated.. 

our atmosphere being heated by the sun (which is radiation) could also be the answer

aaronq · Answer

D

aaronq · Answer

i think lol

anonymous · Answer

option D .
first one is due to convection
second one due to density difference
third one is due to conduction and radiation

anonymous · Answer

I thought that the first and third options were about conduction?