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Two examples of self luminous?
The sun is a self-luminous celestial body that emits its own light and heat through nuclear fusion reactions in its core. Fireflies are insects that are self-luminous due to a chemical reaction in their bodies that produces light, often used as a signal for communication and mating.
Definition of luminous and non-luminous sources of light?
Luminous sources of light are objects that emit light due to their own energy, like the sun or a light bulb. Non-luminous sources of light are objects that reflect light from luminous sources without emitting light themselves, like the moon or a mirror.
Is an ordinary frosted incandescent bulb a luminous or an illuminated source?
An ordinary frosted incandescent bulb is a luminous source because it produces light through its own incandescent filament. It does not rely on external light sources to produce light.
Is a glow in the dark ball luminous or illuminated?
A glow in the dark ball is considered luminescent because it emits light through a chemical reaction or energy absorption rather than being illuminated by an external light source.
Are satellites luminous or non-luminous?
Non-luminous. Objects which produce light of their own or give out or emit their own light are called luminous objects. Objects which do not produce light of their own, on the other hand, are called non-luminous objects. Luminous objects are objects like stars, sun and other celestial bodies which give out their own light. Objects surrounding us are not such light emitting objects. Therefore, we are surrounded by non-luminous objects.
