infeared
Electrical? Anything that produces light, heat, or motion when powered
A metronome
It senses light and orients the organism toward or away fron the light.
Intensified.
No it is not a light source but a light trick a light source produces light
An electronic device that senses light.
The name of the device that produces coherent light is LASER.
The name of the device that produces coherent light is LASER.
A Laser.
Electrical? Anything that produces light, heat, or motion when powered
SPECTROSCOPE!! or a prism
Laser
A metronome
A radiant heater, or an infra-red light bulb, a ceramic hob.
Spectrum
Electric discharge
Starter is asmall device in a fluroscent tube light to start the ciruit. Once lit, starting circuit cuts off automatically