Technetium doesn't emit light.
Technetium-99m is a metastable nuclear isomer of technetium-99. Technetium-99m is commonly used in medical imaging due to its short half-life and ability to emit gamma rays, while technetium-99 is a radioactive isotope with a longer half-life that is used for various medical and industrial applications, such as in radiopharmaceuticals and nuclear medicine.
Light bulbs emit light.
bulbs emit light
The meaning of radioactive is: an unstable element which emit radiations as alpha, beta, gamma etc.
The Earth does not emit light, it like the moon reflects light
Some light sources can emit multiple types of light, such as white light sources that emit a combination of different colors.
Yes, light bulbs emit radiation in the form of visible light.
the sun only emit light. not the moon. it will reflect the light of the sun.
Light waves do not emit radiation, light waves are radiation.
Light bulbs emit electromagnetic radiation, specifically visible light, to produce light.
planets, moon,etc do not emit light on their own.
Light emitting diodes will emit light when electicity is passed through them.