Suppose a gas-filled incandescent light bulb is manufactured so that the gas inside the bulb is...

Suppose a gas-filled incandescent light bulb is manufactured so that the gas inside the bulb is at atmospheric pressure when the bulb has a temperature of 20.0°C.

Part (a) Find the gauge pressure, in standard atmospheres, inside such a bulb when it is hot, assuming its average temperature is 59.5ºC and neglecting any change in volume due to thermal expansion.

Part (b) The actual final pressure for the light bulb will be less than calculated in part (a) because the glass bulb will expand a small amount. What will the actual final gauge pressure be, in standard atmospheres, assuming the thermal coefficient of volume expansion is 2.7 × 10-5/°C?

Solutions

Expert Solution

genius_generous answered 1 year ago

Next > < Previous

Related Solutions

A 75 watt incandescent light bulb and an 18 watt compact fluorescent bulb are equally bright....

A 75 watt incandescent light bulb and an 18 watt compact fluorescent bulb are equally bright. How much warmer will an insulated closed 12 by 11 by 8.0 foot room get in 1.0 hour if it is lighted by an incandescent bulb than if it is lighted by a fluorescent bulb? At room temperature, the specific heat of air is 1.007 J/gC and its density is 1.2 g/L. The watt is the SI unit of power; 1 watt = 1...

An incandescent light bulb uses a coiled filament of tungsten that is 580 mm long with...

An incandescent light bulb uses a coiled filament of tungsten that is 580 mm long with a diameter of 46.0 μm. At 20.0∘C tungsten has a resistivity of 5.25×10−8Ω⋅m. Its temperature coefficient of resistivity is 0.0045 (C∘)−1, and this remains accurate even at high temperatures. The temperature of the filament increases linearly with current, from 20∘C when no current flows to 2520∘C at 1.00 A of current. What is the resistance of the light bulb at 20∘C? What is the...

An electric light bulb is made of an evacuated, i.e. no air inside the bulb, glass...

An electric light bulb is made of an evacuated, i.e. no air inside the bulb, glass bulb containing a long thin tungsten filament. The resistivity of tungsten is is 6.87x10 -7 Ohm meters at the temperature of the filament. The filament can be modeled as a 580 mm long thin cylinder with 0.046 mm diameter. The light bulb is plugged into a 120 V wall outlet. The power dissipated by the filament is radiated away as black body radiation with...

The lengths of time (in hours) an incandescent light bulb can stay lit solidly are normally...

The lengths of time (in hours) an incandescent light bulb can stay lit solidly are normally distributed, with a mean of 62 hours and a standard deviation of 4.4 hours. Use this information to answer questions #16-20. The top 2% of light bulbs can stay lit for at least how long? What percent of light bulbs can last within one standard deviation of the mean, between 57.6 hours and 66.4 hours? A company considers a bulb defective if it can only...

Calculate the rate of energy emitted from an incandescent tungsten halogen light bulb as a function...

Calculate the rate of energy emitted from an incandescent tungsten halogen light bulb as a function of wavelength (W/m2 per µm versus wavelength in µm). Assume the tungsten filament has a temperature of 3300 K. c. What fraction of the total energy emitted by the bulb produces light that we can see and what fraction is wasted as heat (λ > 800 nm)? d. Compare total area under your emissive power plot to theoretical area. Given the total power emitted...

A 100-W incandescent light bulb has a cylindrical tungsten filament 26.0 cm long, 0.35 mm in...

A 100-W incandescent light bulb has a cylindrical tungsten filament 26.0 cm long, 0.35 mm in diameter, and with an emissivity of 0.28. (A) What is the temperature of the filament? (B) For what wavelength does the spectral emittance of the bulb peak? (C) Incandescent light bulbs are not very efficient sources of visible light. Explain why this is so.

1. You plan to build a toy house with a tiny light bulb inside that can...

1. You plan to build a toy house with a tiny light bulb inside that can be lit with 1 amp of current, for your little brother to entertain him! You have two D-size (1.5 V each) batteries and two 6-ohm resistors. How can you arrange the resistors to get the desired current? A) resistors should be connected in parallel to each other and this combination in series with batteries B) resistors may be connected in series with each other...

A sample of argon gas contained in a light bulb has a pressure of 1.20 atm...

A sample of argon gas contained in a light bulb has a pressure of 1.20 atm at 18oC. What is the pressure (mmHg) of the Ar gas when it is heated to 85 oC at constant volume?

Consider a light bulb connected to a battery with wires. How must the light bulb be...

Consider a light bulb connected to a battery with wires. How must the light bulb be connected in order for it to light? Identify the relevant parts of the bulb and battery. Explain, using the concept of potential difference, why and how your configuration causes the bulb to light. Do not use the phrase "complete circuit".

A light bulb manufacturer guarantees that the mean life of a certain type of light bulb...

A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 720 hours. A random sample of 51 light bulbs as a mean of 701.6 hours with a population standard deviation of 62 hours. At an α=0.05, can you support the company’s claim using the test statistic? claim is the alternative, reject the null and support claim as test statistic (-2.12) is not in the rejection region defined by the critical value...

Subjects