d Heating air around a furnace 2 Three discs A B and C

Last updated: 6/9/2023

d Heating air around a furnace 2 Three discs A B and C having radii 2 m 4 m and 6 m respectively are coated with carbon black on their outer surfaces The wavelengths corresponding to maximum intensity are 300 nm 400 nm and 500 nm respectively The power radiated by them are Q4 QB and Qc respectively 2004 2M a Q is maximum c Qc is maximum b QB is maximum d 2A 2B Qc