Fluorescent bulb is the more efficient one.
An electric bulb which has a filament inside it and the electricity passes through the filament and it get heated an it glows. The condition inside the bulb is vacuum or inert gas. This is an incandescent bulb. they uses a lot of energy.
Fluorescent bulb is a mercury vapour low pressure, gas discharge lamp which will use less energy and fluoresce to produce visible light. So in this the electric current will cause the gas to get exited and there is a production of UV light which causes the coating on the inside of the lamp to glow..
Fluorescent bulb is the more efficient that the incandescent bulbs. They also have more life span than incandescent bulbs.
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