Home
Class 12
PHYSICS
Melting point of tungsten filament insid...

Melting point of tungsten filament inside a glass bulb is ______

A

`3360^(@)C`

B

`3340^(@)C`

C

`3380^(@)C`

D

`3370^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The melting point of the filament in an electric bulb is _____________.

Melting point of tungsten is about heating element .

The operating temperature of a tungsten filament in an incandescent lamp is 2000 K and it's emissivity is 0.3 . Find the surface area of the filament of a 25 watt lamp. Stefan's constant sigma = 5.67 × 10^-8 W m^-2 K^-4

The element used for making the filament of a bulb is______ .

Argon is an inert gas used in light bulbs ot retard the vaporization of the tungsten filament. A certain light bulb containing argon at 1.2 atm and 18^(@)C is heated to 85^(@)C at constant volume. Calculate its final pressure in atm.

Melting point of pure ice (0^@C)is taken as ______ fixed point.

Why is tungsten metal used in bulbs?