A star has the maximum emission at a wavelength lmax=300 nm. Calculate the surface temperature of...
A star has the maximum emission at a wavelength lmax=300 nm. Calculate the surface temperature of the star, assuming that the star behaves like an ideal black body.
Homework Answers
Add Answer to:
A star has the maximum emission at a wavelength lmax=300 nm.
Calculate the surface temperature of...
A star has an emission line at a wavelength of 666.80 nm. The rest wavelength of the...
A star has an emission line at a wavelength of 666.80 nm. The rest wavelength of the line is 656.3 nm. What is the velocity of the star? Hint: How does the velocity of a star depend on its observed wavelength? What is the equation for Doppler shift? The speed of light is 3.0 × 105 km/s.
A star can be approximated to a black body mostly constituted of gas with a surface...
A star can be approximated to a black body mostly constituted of gas with a surface temperature T. From the black body density of oscillators we can demonstrate that the power emitted in the forward direction by the star of surface area A per unit wavelength is: A exp( )-1 (Eg.1) Maximum emission Using Equation I , give an approximation of the power Permitted at short wavelengths (λ<<1). c.
A star has a surface temperature of 4,211 K. What is peak wavelength in nm of...
A star has a surface temperature of 4,211 K. What is peak wavelength in nm of the light it emits? Give the answer to two significant figures. Use scientific notation, with one digit to the left and one digit to the right of the decimal point.
A red emission lone from a star has a wavelength of 650 nm. A) What is...
A red emission lone from a star has a wavelength of
650 nm.
A) What is the corresponding frequency?
B How much energy does each photon at this wavelength
carry?
Back HW 2.pdf SCIE 223: Astronomy Written Homework 2 due Thursday, November 21, 2019 A red emission line from a star has a wavelength of 650 nm. 1) What is the corresponding frequency? Show your work a. b. How much energy does each photon at this wavelength carry? Show your...
2. The maximum wavelength of an ideal black body cavity radiation absorption is 6000 A. a....
2. The maximum wavelength of an ideal black body cavity radiation absorption is 6000 A. a. If the emission of thermal radiation from the cavity becomes 3 times, then what is the maximum wavelength and temperature? b. If the emission of thermal radiation from the cavity becomes times, then what is the maximum wavelength and temperature?
Our sun's 5800 K surface temperature gives a peak wavelength in the middle of the visible...
Our sun's 5800 K surface temperature gives a peak wavelength in the middle of the visible spectrum. 1. What is the minimum surface temperature for a star whose emission peaks at some wavelength less than 400 nm− that is, in the ultraviolet?
The star Rigel, blinks in a blue color, whose approximate wavelength is 400 nm and the...
The star Rigel, blinks in a blue color, whose approximate wavelength is 400 nm and the star Betelgeuse, has a reddish color, whose approximate wavelength is 700 nm. a) Estimate the surface temperature of Rigel in Kelvin. b) Estimate the Betelgeuse surface temperature in Kelvin degrees c) How many times is one of the stars cooler than the other? Which is colder?
Please help to calculate the wavelength of the line of emission in nm
Please help to calculate the wavelength of the line of emission in
nm
The thermal emission of the human body has maximum intensity at a wavelength of approximately 9.5um.Part...
The thermal emission of the human body has maximum intensity at a wavelength of approximately 9.5um.Part A:What photon energy corresponds to this wavelength?E = _______
Question 11 Assuming that your surface temperature is 98.4 F and that you are an ideal...
Question 11 Assuming that your surface temperature is 98.4 F and that you are an ideal blackbody radiator (you are close), find (a) the wavelength at which your spectral radiancy is maximum, (b) the power at which you emit thermal radiation in a wavelength range of 0.940 nm at that wavelength, from a surface area of 3.90 cm?, and (c) the corresponding rate at which you emit photons from that area. Using a wavelength of 500 nm (in the visible...
A star can be approximated to a black body mostly constituted of gas with a surface temperature T. From the black body density of oscillators we can demonstrate that the power emitted in the forward direction by the star of surface area A per unit wavelength is: A exp( )-1 (Eg.1) Maximum emission Using Equation I , give an approximation of the power Permitted at short wavelengths (λ<<1). c.
A red emission lone from a star has a wavelength of
650 nm.
A) What is the corresponding frequency?
B How much energy does each photon at this wavelength
carry?
Back HW 2.pdf SCIE 223: Astronomy Written Homework 2 due Thursday, November 21, 2019 A red emission line from a star has a wavelength of 650 nm. 1) What is the corresponding frequency? Show your work a. b. How much energy does each photon at this wavelength carry? Show your...
2. The maximum wavelength of an ideal black body cavity radiation absorption is 6000 A. a. If the emission of thermal radiation from the cavity becomes 3 times, then what is the maximum wavelength and temperature? b. If the emission of thermal radiation from the cavity becomes times, then what is the maximum wavelength and temperature?
Please help to calculate the wavelength of the line of emission in
nm
Question 11 Assuming that your surface temperature is 98.4 F and that you are an ideal blackbody radiator (you are close), find (a) the wavelength at which your spectral radiancy is maximum, (b) the power at which you emit thermal radiation in a wavelength range of 0.940 nm at that wavelength, from a surface area of 3.90 cm?, and (c) the corresponding rate at which you emit photons from that area. Using a wavelength of 500 nm (in the visible...
Most questions answered within 3 hours.
-
calculate the number of molecules of gas in a
container of 2.0 liter at 30 degrees...
asked 3 minutes ago -
The group of companies LC "High-precision measuring instruments"
is the global provider of measurement, analysis and...
asked 4 minutes ago -
I want to write a python function to find the minimum
I have an nested list:...
asked 5 minutes ago -
Convert the high level language programming statementts to 80x86
assembly, Assume X=AX and y=BX
for (i=1;...
asked 14 minutes ago -
SoleMate’s Burkins sneakers cost $40 per pair from the supplier
and are sold by SoleMate at...
asked 18 minutes ago -
The movie Moneyball (based on the book by Michael
Lewis) tells the story of Billy Beane,...
asked 17 minutes ago -
A regional highway uses 8 tollbooths that are open to all
vehicles. A chi-square goodness-of-fit test...
asked 20 minutes ago -
In her Semiannual Monetary Policy Report to Congress on July 13,
2017, then Federal Reserve Chair...
asked 20 minutes ago -
Suppose N packets are sent,
and each packet arrives at rate of L/2R to a link....
asked 39 minutes ago -
17. Show the steps involved in reduction of the ketone in fatty
acid synthesis. Which cofactor...
asked 40 minutes ago -
5.61 g of octane, C8H18, reacts with excess oxygen in a bomb
calorimeter. The heat capacity...
asked 44 minutes ago -
The velocity field of a flow is given by V = (2+1) x
y2 i +...
asked 53 minutes ago