Question text
22 Which statement about infrared radiation is correct? A In a vacuum, infrared radiation travels at the speed of light. B Infrared radiation is a longitudinal wave. C Infrared radiation has a higher frequency than ultraviolet radiation. D White surfaces are better emitters of infrared radiation than black surfaces.
22 Which statement about infrared radiation is correct?
A In a vacuum, infrared radiation travels at the speed of light.
B Infrared radiation is a longitudinal wave.
C Infrared radiation has a higher frequency than ultraviolet radiation.
D White surfaces are better emitters of infrared radiation than black surfaces.
Select your answer: