2014 · Q3
Inactive Nitrogen and Argon gases are usually used in electric bulbs in order to
General KnowledgePhysics
- Aincrease the intensity of light emitted
- Bincrease the life of the filament
- Cmake the emitted light coloured
- Dmake the production of bulb economical
Explanation
Inert nitrogen/argon filling reduces filament evaporation, prolonging its life.