Answer:
The metal tungsten is used in incandescent light bulbs because of its high resistance,high tensile strength,low vapor pressure and high melting point.
Explanation:
The metal tungsten is used as a filament in incandescent light bulbs because of its high melting point,low vapor pressure and high tensile strength and it does not melt when the temperature is high, it has ability to retains the heat generated and as it becomes very hot and it produces light.
Thus this is the reason metal tungsten is used in incandescent light bulbs.
