A section of a car was heat-damaged because, on a bright day, it had been parked opposite a curved building with mirrors that concentrated reflected sunlight onto the vehicle. Which statement about sunlight gives the correct explanation for this observation?
- ASunlight contains infra-red radiation.
- BSunlight contains ultraviolet radiation.
- CSunlight is a longitudinal progressive wave which carries energy.
- DSunlight is a transverse standing wave which carries energy.