Electric lamps prim 6 Abeer samir

From natural source of light

• Sun

• Candle

• Torch

From artificial source of light

• Sun

• Star

• Electric lamp

All of these examples are artificial sources except

• Lamp

• Candle

• Sun

The main source of light

• Candle

• Sun

• Lamp

Tool converts electric energy into light energy

• Oil lamp

• Candle

• Electric lamp

Scientist who invented light bulb

• Newton

• Edison

• Bohr

From popular types of electric lamps

• Light bulb

• Fluorescent lamp

• Oil lamp

• Light bulb and fluorescent

The filament is made up of

• Iron

• Copper

• Tubgsten

The light bulb is filled with

• Argon

• Neon

• Air

They transfere electric current from base to filament

• Glass bulb

• Copper and lead wires

• Argon