What is the surface temperature of the star

Assignment Help Physics
Reference no: EM13258023

Suppose a star with radius 8.62 108 m has a peak wavelength of 681 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

Reference no: EM13258023

Questions Cloud

Find the rms value ot the ac component : a generic rectifier is supplied from a 115v 60hz ac source and operates with a firing angel of 30 degrees. For the output voltage of the rectifier find: The dc component The rms value othe ac component
Determine the correct amount of net income : Determine the correct amount of net income for October and thetotal assets, liabilities, and stockholders' equity atOctober 31. In addition to indicating the corrected amounts.
Flexible-budget variances : Compute the static budget variances and the flexible-budget variances for variable and fixed costs for the systems consulting department for June 20X1.
What is informal risk capital : What is informal risk capital?
What is the surface temperature of the star : Suppose a star with radius 8.62 108 m has a peak wavelength of 681 nm in the spectrum of its emitted radiation. What is the surface temperature of the star
Industry has been lobbying the federal government : The pharmaceutical industry has been lobbying the federal government for years to have medication patents extended beyond 20 years.
Define the different relationship levels companies : Define the different relationship levels companies can build with customers. Pick a company and describe the types of relationships you have with it.
What is the work w done by the electostatic field involved : An electron q=1.602E-19 leaves the cathode ray tube (CRT) and travels in a uniform electrostatic field toward the anode, which is at a potential Va=500V with respect to the cathode. What is the work W done by the electostatic field involved in mov..
Explain the risk involved in this strategy : Explain the risk involved in this strategy. Do you think the risk here is greater or less than it would be if the bond proceeds were used to finance U.S. operations? Why?

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd