What is inside the glass case of the electric bulb?
Vacuum
Inert Gases
Halogen gas
Water Vapour
Inert gases like neon, argon etc. are generally filled in electric bulbs.
Question 3
In an electric bulb, light is produced due to the glowing of
(a) the glass case of the bulb.
(b) the thin filament.
(c) the thick wires supporting the filament.
(d) gases inside the glass case of the bulb.