Find the surface area of the filament

Assignment Help Physics

Reference no: EM13336920

The filament of a light bulb has a temperature of 2.64 x 103 °C and radiates 60.0 W of power. The emissivity of the filament is 0.388. Find the surface area of the filament.

Reference no: EM13336920

Questions Cloud

Find the speed of the diver when he lands on the ground : An 90.0 kg skydiver jumps out of a balloon at an altitude of 1 180 m and opens the parachute at an altitude of 175m. find the speed of the diver when he lands on the ground

Calculate absorption threshold in terms of the free electron : Consider a wide-gap degenerate n-type semiconductor with a bandgap of Eg=3.5 eV. Given a constant effective mass Mn*=0.2 m in the entire conduction band (i.e. a parabolic E-k relationship),

Characteristic of human traits : Typical characteristic of human traits that follow an autosomal recessive inheritance pattern - when affected individuals marry phenotypically normal individuals, their children are often phenotypically normal.

How much kilojoules done during a synthesis of ammonia : Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 7.6 L to 4.6 Lat a constant external pressure of 41atm.

Find the surface area of the filament : The filament of a light bulb has a temperature of 2.64 x 103 °C and radiates 60.0 W of power. The emissivity of the filament is 0.388. Find the surface area of the filament

Calculate the energy content of 1 kg of natural uranium : Calculate the energy content of 1 kg of natural uranium assuming complete fission. Estimate an average energy per fission. Compare this to the energy in 1 kg of coal (reference all values assumed).

How much farther would it travel on the moon than on earth : On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth

What are the forces supporting the two ends of the beam : A uniform horizontal beam has a mass of 241 kg and is 10.5 meters long. The beam also carries the following three loads: Load A: 4715 N, 1.26 meters from left end, What are the forces supporting the two ends of the beam

Explain the vapor pressure of water : The vapor pressure of water is 23.8 mm Hg at 25 oC. If the wet H2 gas formed occupies a volume of 6.84 L, the number of grams of H2 formed is g.

User Account

All Pages