Question text
25 Four copper spheres have identical surface colours and identical surface textures. They have different surface temperatures and surface areas. Which sphere emits infrared radiation at the greatest rate? surface surface area temperature/°C /cm2 A 500 120 B 500 480 C 1000 120 D 1000 480
25 Four copper spheres have identical surface colours and identical surface textures. They have
different surface temperatures and surface areas.
Which sphere emits infrared radiation at the greatest rate?
surface surface area
temperature/°C /cm2
A 500 120
B 500 480
C 1000 120
D 1000 480
Select your answer: