Please solve accurate. Thanks (a) The star Dubhe emits radiation with a peak wavelength of 622 nm. What is its surface temperature (in K)? (Assume the starbehaves like a blackbody.)K(b) The star Adhara emits radiation with a peak wavelength of 127 nm. What is its surface temperature (in K)? (Assume the starbehaves like a blackbody.)K

Answered: Image /qna-images/answer/cb7bfc38-4137-4370-8d34-79cb8e30ebd4.jpg

Answered: (a) The star Dubhe emits radiation with…

(a) The star Dubhe emits radiation with a peak wavelength of 622 nm. What is its surface temperature (in K)? (Assume the star behaves like a blackbody.)

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter16: Cosmology

Section: Chapter Questions

Problem 10P

See similar textbooks

Related questions

Q: A cavity radiator has its maximum spectral radiance at a wavelength of 6,9×10-7 m. If the body is…

Q: Given: Molten steel alloy at a temperature of 500 degrees C has a maximum intensity of 2.0 watts/sq.…

Q: A cavity radiator has its maximum spectral radiance at a wavelength of 4.9x10 7 m. If the body is…

Q: Calculate the energy of a photon (in J) with a frequency of 2.00e+16 Hz?

A: The formula for the energy of a photon is:

Q: b). Two dentical traveling in atrina z interfer with Cach other. Af desultant eweve hes Cmplitude…

A: Let A1 and A2 be the amplitudes of the waves undergoing interference and R is the amplitude of the…

Q: How many watts will be radiated from a spherical black body 25 cm in diameter at a temperature of…

A: Diameter, d = 25 cm Radius, r = d/2 = 12.5 cm = 0.125 m Temperature, T = 900° C Power, P = ?

Q: If free electrons with kinetic energy 12.75 eV collide with these atoms, what photon wavelengths…

A: The expression for the energy is,

Q: The ionization energy of hydrogen is 1313 kJ/mol. Covert this energy to: a) wavelength (nm) b)…

Q: Given that Eg =0.72 eV for a certain material, find the wavelength of peak solar response for the…

Q: Suppose a star with radius 8.00 × 108 m has a peak wavelength of 580 nm in the spectrum of its…

Q: Suppose someone is running a fever of 102.0° F (average being 98.6° F). How much more power (in…

A: The intensity of the radiation emitted by a hot body can be given by Stefan Boltzmann law as, Here,…

Q: By what rate a photon emitted from a sodium vapor lamp? Assume that the lamp's light is…

A: lambda=wavelength=589*10^-9 m E=hc/(lambda) h=6.625*10^-34 Js c=3*10^8 m/s on solving for E we…

Q: Consider the electron in a hydrogen atom that receives an incoming photon. If the electron began at…

A: Initially the electron is in n=3 state that is 2nd excited state after absorbing a photon it will…

Q: If the energy of a photon is 0.044ev, what is its frequency in GHZ

Q: dinP If the relation between P and Tis expressed by - ΔΗ calculate- ΔΗ at T=300 K. R R T(K) P(kPa)…

A: we calculate ∆HRfrom row 1 and row 2 and again from row 2 and row 3 and take average.

Q: A copper cylinder with a temperature of 397 K is found to emit 199 J of energy each second. If the…

Q: The power radiated by a black body in P and it radiated maximum energy at wavelength, Ao . If the…

Q: What is the value of the IR transmission factor (f) for a Venus-like planet, if the measured average…

A: (a) Express the relation for the average surface temperature of the planet. T=Es1-α4σf4 ----1 Here,…

Q: Calculate the percentage efficiency of a solar PV module whose length is 137 cm and width is 107 cm…

Q: Answer the following questions, since the lamp whose light distribution curve is given has a power…

A: Note: As per Bartleyby's rule, only three sub-part questions should be answered. Kindly resubmit the…

Q: Ql: A nuclear bomb at the instant of explosion may be approximated to a blackbody of radius 1.3 m…

A: Given: The surface temperature of the bomb is 107 K. The radius of the bomb is 1.3 m. Introduction:…

Q: A cavity radiator has its maximum spectral radiance at a wavelength of 6.8×10 m. If the body is…

Q: What is the wavelength of maximum intensity (in nm) and the total energy emitted (in J/s/m2) by a…

A: The temperature of the celestial body is given to be 7K. In case of a celestial body which we…

Q: The radius of our Sun is 6.96 x 10° m, and its total power output is 3.85 x 1014 terawatt (TW)- a)…

Q: What is the rate of energy radiation per unit area of a blackbody at a temperature of (a) 300 K and…

A: Write the expression for Stephan’s Law ,

Q: A 100-Watt tungsten filament lamp operates at a temperature of 2198 K. Assuming that the filament…

A: Let the operating temperature of the filament be T and the wavelength of the maximum irradiance be…

Q: If the energy received by 6 m2² area in 500 seconds is 4530 KJ. Calculate the value of Solar…

Q: Calculate the energy, in electron volts, of a photon whose frequency is (a) 6.20 x 102 THz, (b) 3.10…

A: Write the expression for energy in terms of frequency.

Q: Suppose a blackbody at 425 K radiates just enough heat in 15.0 min to boil water for a cup of tea.…

A: According to Stefan's law for black body radiation Q/t = b A T4 Q = heat flow b = Stefan constant A…

Q: To “see” such an orbiting electron by using a light microscope to measure the electron’s presumed…

Q: What is the wavelength of maximum intensity (in nm) and the total energy emitted (in J/s/m2) by a…

Q: ) if A = = 3i+4j +2K and B= -2i +6j +5k find A. В. (A.B änjö a)

A: Option b

Q: Assume we have a material with a work function of 4.87 eV. What is the maximum speed, in meteres per…

Q: Using Wien's Law for two black body objects with a temperature of 1000 K (fire) and 290 K…

Q: Approximate a molybdenum spectrum as bichromatic, with 80% of photons emitted at 18 keV and 20% of…

Q: The surface of the Sun has a temperature of about 6000 K. At what wavelength does the Sun emit its…

Q: Derive a relation for Joule – Thomson coefficient for a gas whose equation of state is а (P+2) V =…

A: Joule-Thomson coefficient (μJT) be defined as, μJT=TCP∂V∂TP-V ............1

Q: A square metal plate with a side 0.4m is heated to a temperature of 2000k by passing a current…

Q: What is the Doppler-broadened linewidth of the electronic transition at 821 nm in atomic hydrogen at…

A: The Doppler-broadened linewidth of the electronic transition is,…

Q: If a sunspot has a temperature of 4,430 K and the sunspot can be considered a blackbody, what is the…

A: Write the expression for Wien’s law. λmaxT=2.898×10-3 m·Kλmax=2.898×10-3 m·KT

Q: cal culate the length of the De Broglie Wavelength of the 24 Earth, with a mass of 6 * 10' Km…

A: Given data The mass of the earth is given as m = 6 x 1024 km. The speed of the earth is given as v…

Q: Compute the wavelength of scattered photon, wavelength 22x10^-12 m, scattered photon 201o ?

Q: If the energy received by 8 m² area in 14 minutes is 4600 KJ. calculate the value,of Solar constant…

A: Given data : Time = t Area = A Energy = E To find : Solar…

Question

100%

Please solve accurate. Thanks

(a) The star Dubhe emits radiation with a peak wavelength of 622 nm. What is its surface temperature (in K)? (Assume the star
behaves like a blackbody.)
K
(b) The star Adhara emits radiation with a peak wavelength of 127 nm. What is its surface temperature (in K)? (Assume the star
behaves like a blackbody.)
K

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Using Wien's Law for two black body objects with a temperature of 1000 K (fire) and 290 K (background), at what central wavelengths are the two objects radiating?
The brightest star in the sky is Sirius, the Dog Star. Itis actually a binary system of two stars, the smaller one (Sirius B)being a white dwarf. Spectral analysis of Sirius B indicates that itssurface temperature is 24 000 K and that it radiates energy at a totalrate of 1.0 · 1025 W. Assume that it behaves like an ideal blackbody.(a) What is the radius of Sirius B? Express your answer in kilometersand as a fraction of our Sun’s radius (R= 6.96 · 108 m). (b) Whichstar radiates more total energy per second, the hot Sirius B or the(relatively) cool Sun with a surface temperature of T = 5800 K? Tofind out, calculate the ratio of the total power radiated by our Sun tothe power radiated by Sirius B.
Suppose a star with radius 8.51 108 m has a peak wavelength of 689 nm in the spectrum of its emitted radiation. (a) Find the energy of a photon with this wavelength. J/photon(b) What is the surface temperature of the star? K(c) At what rate is energy emitted from the star in the form of radiation? Assume the star is a blackbody (e = 1). W(d) Using the answer to part (a), estimate the rate at which photons leave the surface of the star. photons/s
Two stars, both of which behave like ideal blackbodies, ra- diate the same total energy per second. The cooler one has a surface temperature T and a diameter 3.0 times that of the hotter star. (a) What is the temperature of the hotter star in terms of T ? (b) What is the ratio of the peak-intensity wavelength of the hot star to the peak-intensity wavelength of the cool star?
The surface temperature of Sun is about 6000 K. If we consider the Sun as a black body, what is the radiation power per unit of area?(Given the Stefan-Boltzmann constant is 5.678×10−8 W/K4 ?.???×??−? ?/?? )
The power emitted by a blackbody is proportional to T^4. If the temperature of the blackbody goes from 3000K to 6000K, by how much (by what factor, 2, 3, 8, etc) does the power increase?
What temperature, in ∘C , is a blackbody whose emission spectrum peaks at 2.90 μm ?
Estimate the peak wavelength for radiation emitted from(a) ice at 0°C, (b) a floodlamp at 3100 K, (c) helium at 4 K,assuming blackbody emission. In what region of the EMspectrum is each?
How many watts will radiated from a spherical black body 15cm in diameter at a temperature of 600 degree C
What is the wavelength of maximum intensity (in nm) and the total energy emitted (in J/s/m2) by a celestial object at 6 K above absolute zero?
What is the total emittance of a cesium lamp at 2473.15 K with a lambda max of 1171.38 nm at this temperature.
Suppose a star with radius 8.50 × 108 m has a peak wavelength of 685 nm in the spectrum of its emitted radiation. (a) Find the energy of a photon with this wavelength. (b) What is the surface temperature of the star? (c) At what rate is energy emitted from the star in the form of radiation? Assume the star is a blackbody (e = 1). (d) Using the answer to part (a), estimate the rate at which photons leave the surface of the star.