Online Quiz - Radiation
Best absorber - black and dull Best emitter - black and dull
Best absorber - black and dull Best emitter - white and shiny
Best absorber - black and shiny Best emitter - white and dull
Best absorber - white and dull Best emitter - black and shiny
Aluminium reflects the thermal energy radiated by the hand.
Aluminium absorbs thermal energy radiated from the surroundings.
Aluminium radiates thermal energy well.
Aluminium is a good absorber of radiation.
Conductor
Absorber
Radiator
Conductor and absorber
By conduction only
By conduction and convection
By radiation and conduction
By radiation and convection
Electrons
Gamma radiation
Infra-red radiation
Ultraviolet radiation
Convection only
Conduction and convection only
Radiation only
Conduction, convection and radiation
To improve absorption of infra-red radiation
To improve emission of infra-red radiation
To improve the conducting properties of the panel
To reduce convection currents
Dark animal fur
Shiny metal tray
White plastic bag
Writing paper
Through metal - conduction through air - convection
Through metal - conduction through air - radiation
Through metal - convection through air - convection
Through metal - convection through air - radiation
Radiation only
Radiation and conduction
Convection only
Radiation and convection