A copper sphere of 1.01m diameter is coated with lamp black and maintained at a temperative of 513⁰K. flow much energy is radiated in two minutes ? (Stefan's constant = 5.7 x 1081/m²k²s).
Q: A 0.75kg sample of gaseous monatomic Helium (He) has an rms velocity of 2500m/s in an insulated…
A:
Q: Needs Complete solution with 100 % accuracy don't use chat gpt or ai plz plz plz plz plz.
A: We uses the concept of thermal expansion to solve this problem Let us use a steel tape of suitable…
Q: The number of atoms diffusing through a membrane with an area of 4 cm is 6.16×10³ atoms/sec (based…
A: Fick's Law of Diffusion According to Fick's Law of diffusion, the flux of material diffusing through…
Q: QUESTION 12 A copper rod of radius 1.5 cm and length 0.8 m is used in stoking a fire which is at 415…
A: Part (12): Given: The radius of the rod is 1.5 cm. The length of the rod is 0.8 m. The temperature…
Q: .Calculate the specific absorptivity if the absorbance, A is 0.209, the path length of solution, b,…
A: (a) Given the absorbance of the solution is A = 0.209 The path length of the solution is b = 1 cm.…
Q: The operating temperature of a tungsten filament in an incandescent light bulb is 2500 KK, and its…
A: Given that:-Temperature, T=2500KEmissivity, e=0.350Power, P=200 WattStefan consatnt, σ=5.67×10-8…
Q: The surface of the Sun has a temperature of 5500 °C. Treating the Sun as a perfect blackbody, with…
A: We are aware that the sun's surface temperature is 5500oC.The sun has an emissivity of 1.0.The sun…
Q: 3. A photon of energy Eo = 10 eV is injected into a hot ionised atmosphere.. scatterings, optical…
A: Given: The energy of a photon is E0=10 eV. The temperature of the medium a) is KTe=50keV. The…
Q: Calculate the mass of nitrogen present in a volume of 3000 cm' if the gas is at 22.0 °C and the…
A:
Q: A spherical surface of area 0.5m2, emissivity 0.85 and temperature 132°C is placed in a large,…
A:
Q: 2) Column AB is made of Phosphor Bronze (B139C) circular hollow tube with 1.3125 in. outer diameter…
A: As per BARTLEBY GUIDELINES i have to do only 3 ssubparts of a question so I did a, b, c only. Repost…
Q: If a blackbody is radiating at T=1330 K at what wavelength is the maximum intensity?
A: According to Wien's displacement law the black body radiation curve for different temperatures peaks…
Q: A 0.4-W cylindrical electronic component with diameter 0.3 cm and length 1.8 cm and mounted on a…
A:
Q: A circular steel casting with a grap, if a casting is heated (A) does width of the grap in increase…
A: The change in width of the circular steel is
Q: Needs Complete solution with 100 % accuracy don't use chat gpt or ai. Please plz please please...
A: The given data are as follows:m = 30 gP = 2.3 MPa = 2300000 PaD = 500 mm = 0.50 m Computing the…
Q: Determine the wavelength of the maximum amount of radiation emitted by surface at 49 °C. Express…
A:
Q: The operating temperature of a tungsten filament in an incandescent light bulb is 2500 KK, and its…
A:
Q: A substance of density 3461 kg/m³ comprises atoms with mass of 138 u. It supports longitudinal sound…
A: Given, Density,ρ=3461kg/m3Moleculr Mass,M=138u=0.138kg/molSpeed of light,c=3×108m/s We have the…
Q: 2) A spherical infrared heater of radius 6.75 cm and an emissivity of 0.79 radiates 0.56 kW of…
A:
Q: A white star that has a surface temperature (in kelvins) that is four times that of our sun the…
A:
Q: A steel bar and a copper bar have the same length of 1.400 m at -10.00 ∘C. What is the difference…
A: Initial length of the bars is L = 1.4m Initial temperature of bars Ti = -10°C, Final temperature of…
Q: Needs Complete solution with 100 % accuracy don't use chat gpt or ai plz plz plz.
A:
Q: diffusion of KCI at steady state. Given the diffusivity DAB is equal to 2.5*10 and outer diameter…
A: Given length is 80cm diameter are 3,4 cm Cai = 0.23mol/m3. Rate of diffusion of kcl at steady state…
Q: Suppose the temperature of a sphere object is 35 °C and its surroundings are at 20 °C. What is the…
A:
Q: Find the ratio f(vp)/f(vrms) for hydrogen gas (M = 2.02 g/mol) at a temperature of 77.0 K?
A: The Maxwell-Boltzmann distribution (f (v)) of the gas molecule-speeds (v) of molecular mass (m) at…
Q: An infrared heater for a sauna is operated at a power of {352} W and has an emissivity of {0.9}. If…
A: According to Stefan’s law, the power of emission (rate at which energy is emitted) from a source is…
Q: A pinhole is made in a hollow sphere of radius 5 cm whose inner wall is at temperature 727°C. Find…
A: To find- Power radiated per unit area PA=? Given- Temperature (T)= 727+273=1000 K σ=5.7×10-8…
Q: Thermal emission from forehead. Noncontact thermom- eters are used to quickly measure the…
A: The thermometer measures the temperature of the person by measuring the amount of radiation in the…
Q: 21. ssm The amount of radiant power produced by the sun is approxi- mately 3.9 × 1026 W. Assuming…
A: Given: Amount of power radiated = 3.9 x 1026 W The radius of the sun = 6.96 x 108 m Surface…
Q: 8. Go A closed box is filled with dry ice at a temperature of – 78.5 °C, while the outside…
A: Given: The temperature of the dry ice = -78.50 C Outside temperature = 210 C The thickness of the…
Q: The settling rate of particulates in the air follows Stokes' law. If particulates of diameter of 10…
A:
Q: A cylindrical surface of radius 57 cm and length 1.2 m maintained at a temperature of 142°C is…
A:
Q: what is the power radiated per (cm²) from skin at temperature of 306k? what is the power radiated…
A: The exterior parts of the body temperature is have a little bit variation in different parts.…
Q: Air at standard atmosphere is compressed adiabatically to 97,345 Pa. what are the pressure, density,…
A: Initial pressure, P1 = 101,325 Pa Initial temperature, T1 = 273 K Final pressure, P2 = 97,345 Pa…
Q: Two narrow bores of diameters of 3 mm ánd 6 mm are joined together to form a U-shaped tube open at…
A: We need to compute-Difference in levels in two limbs of the tube (h1-h2)=?The data given…
Q: Ex. 59 Calculate the external latent heat of water if 10 kg of water having volume of 106 m occupies…
A:
Step by step
Solved in 2 steps with 2 images