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37. Suppose a very young star has a peak wavelength of 0.97E-6m. In what region of...
2. An O-type star, such as some of the bright young stars in the Orion Nebula, has a surface temperature of roughly 60,000 K. At what wavelength does an O star’s spectrum peak? In what part of the electromagnetic spectrum is this wavelength (e.g. infrared, visible, radio)?
A star emits light with a peak wavelength of 9,750 angstroms. What type of star is this and what is its color? Major stellar spectral types and temperatures Type Color Temperature (K) Comment O Bluish 30,000-80,000 Spectrum with ionized helium and hydrogen but little else; short-lived and rare stars B Bluish 10,000-30,000 Spectrum with neutral helium, none ionized A Bluish 7,500-10,000Spectrum with no helium, strongest hydrogen, some magnesium and calcium F White 6,000-7,500 Spectrum with lonized calcium, magnesium, neutral atoms...
Q1. Which is the peak wavelength of a blackbody curve for the hottest star? A. 386 nm B. 644 nm C. 483 nm D. you cannot tell, wavelength and temperature are not related Q2. Which temperature star has the longest peak wavelength? A. 6000 K B. 7500 K C. 4500 K D. you cannot tell, wavelength and temperature are not related
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.
What is the peak wavelength of light coming from a star with a temperature of 7,750 K? (Submit your answer in nanometers. Remember 1nm = 10-9 m)
The spectrum of a blackbody has a peak wavelength of 5.30×10-7 meters. What is its temperature, in kelvins?
in a mission, it has accelerated photons that bump with its solar tail. peak wavelength in the sun's spectrum is 501 nm. what is the momentum (in kg m/s) of a photon with a wavelength peak of 501 nm? also using the peak wavelength, what is the surface temperature of the sun?
Useful equations: = 600nm (5000K/T) lambdamax L oCR2 T What is the peak wavelength of an O star of temperature 30,000 K? What range of the spectrum is this? 1. 2. Imagine we find a star that is 2 times the size of the Sun (in terms of its radius) but with a temperature that is identical to the Sun. What is the luminosity of this star compared to the Sun? a. The same -luminosity depends only ontemperature b. About...
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?
below. 16.) Calculate the wavelength of the He-Ne laser, as shown in the figure Collision Helium p Neon 1.96 eV E3 E2 20.61 eV 20.66 eV 18.70 ev Eo 0 17.) Suppose a star with radius 8.50 x 108 m has a peak wavelength of 685 nm in the spectrum of its emitted radiation. (A) What is the energy of a photon with this wavelength? (B) What is the surface temperature of the star? (C) At what rate is energy...