10:49LTE O< All iCloudImagine that you are observing a star and youfind thewavelength of peak emission for the star to be400 nm.What would the wavelength of peak emissionbe for anew star that has a surface temperature thatis aquarter of the original star?Using the same pair of stars from the firstquestion,●how does the luminosity (the energy output) ofeachstar compare if we assume that both stars arethesame size? (Please provide a specific factor orproportion)What type of radiation/light (from theelectromagneticspectrum) is each star emitting?Now imagine that we determine that thewavelength ofpeak emission of the original star wasdetermined tobe bluer than it should be based on otherobservations. Would this indicate that the starismoving towards us or away from us relativelyspeakingthrough space?0

In this question we have to find the wavelength of peak emission. Please give positive feedback if…

Imagine that you are observing a star and you find the wavelength of peak emission for the star to be 400 nm. What would the wavelength of peak emission be for a new star that has a surface temperature that is a quarter of the original star?

Imagine that you are observing a star and you find the wavelength of peak emission for the star to be 400 nm. What would the wavelength of peak emission be for a new star that has a surface temperature that is a quarter of the original star?

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter23: The Death Of Stars

Section: Chapter Questions

Problem 41E: One way to calculate the radius of a star is to use its luminosity and temperature and assume that...

See similar textbooks

Related questions

Q: Find the speed of car Distance=2 km Time=1 hr

A: Given Distance travelled by car d = 2 km Time take T = 1 hr To find Speed of car

Q: In the mentioned figure, electron's kinetic energy is plotted with the number of electrons during…

A: In this question we have to find the correct statement. Please give positive feedback if the answer…

Q: A “blink of an eye” is a time interval of about 150 ms for an average adult. The “closure” portion…

Q: A rubber ball is shot straight up from the ground with speed vo. Simultaneously, a second rubber…

A: Given:- A rubber ball is shot straight up from the ground with speed vo. a second rubber ball at a…

Q: How many time constants does it take for a capacitor with capacitance, C, to discharge through a…

Q: 3. A Ferris wheel with radius 16.0 m is turning about a horizontal axis through its center (see…

A: The speed remains constant in Uniform circular motion. Hence there is no tangential acceleration.…

Q: A train is moving directly south with a speed of 10 m/s. if the downward vertical component of the…

A: Given data: Speed of train, V=10 m/s Earth's magnetic field, B=0.54 G Length of the rail car axle,…

Q: Two thin disk-shaped wheels of radii RA = 40 cm and RB = 60 cm are attached to each other on an axle…

A: Torque is given by:- T= R×F = RFsin(θ) Where θ= angle between R and F Clockwise torque is taken as…

Q: A box is at rest on a level floor. μ = 0.4 and μ = 0.3. You pull the box horizontally just hard…

Q: The drag racer P starts from rest at the start line S and then accelerates along the track. When it…

Q: 4. A block on an "sreikned surface is connected to another block that is hanging over the top edge…

Q: A football is kicked from ground level with an initial velocity of 23.6 m/s at angle of 53.0° above…

Q: A 400. N crate is suspended from two ropes that each makes an angle 8 of 38° with the horizontal.…

Q: A man is running at speed Uman to catch a bus already at a stop, as shown in (Figure 1). At t= 0,…

A: Given:velocity of the man, vman acceleration of man, aman= m m/s2 velocity of the man is…

Q: A fire hose is projected at an angle to extinguish the fire. The angle of projection is 70o to reach…

Q: Find the speed of car Distance=2 km Time=1 hr

Q: Two moles of an ideal gas initially at 0∘C and 1.04 x 105 Pa expands isobarically to twice its…

Q: Which of the following formulas relating temperatures on the Celsius and Fahrenheit scales is…

A: The formula to convert Celcius to Fahrenheit scale is as follow

Q: In a physics lab experiment, a spring clamped to the table shoots a 20 g ball horizontally. When the…

Q: arrow is shot into the air at an angle of 60.0° above the horizontal with a speed of 20.2 m/s. A)…

Q: A woman runs up to the top of a hill. The gain in her potential energy is U. If she runs up the same…

A: when a woman runs up to the top of a hill , she gain potential energy that is U. Now she runs up the…

Q: The temperature of a gas sample in a rigid container is raised. Why does the pressure the gas exerts…

A: We know that the ideal gas equation is given as PV = nRT We know that We have given that the…

Q: Vectors may exist in between ____ axes (i.e. northwest NW and southeast SE) and may have either the…

Q: 6. A particle moves along the x-axis with its position relative to the origin and has an…

Q: A object is shot vertically upward with an initial speed of 5 km/s . If there is no atmosphere, the…

A: Given data : Initial speed of the object (u) = 5 km/s = 5000 m/s

Q: During a walk on the Moon, an astronaut accidentally drops his camera over a cliff. It leaves his…

Q: In a television program, a young actor singing at a frequency of 1,200 Hz is approaching a lady at…

A: When there is relative motion between source of sound and listener, the frequency of the sound…

Q: In a two-slit interference pattern, the intensity at the eak of the central maximum is Io. (a) At a…

A: GivenPhase difference between wave, ϕ=60°

Q: A box of mass 'm' is being dragged across a rough, level surface having a coefficient of friction of…

Q: What is the magnitude and direction of the electric field at a point where an electron experiences a…

Q: A water heater transfers heat to an amount of water at a rate of 100 W. How long will it take to…

Q: The Earth's magnetic field is critical for astronauts in Low Earth Orbit because it protects them…

A: Earth's magnetic field is the magnetic field generated by the earth that extends from the earth's…

Q: A heavy rock is thrown straight up with a velocity of 160 ft/ sec. The of S= 160t - 16t2 ft after t…

A: "Since you have posted a question with multiple sub-parts, as per strict guidelines to us we will…

Q: Two men are carrying a ladder of length l by supporting it at its ends. The ladder is horizontal,…

Q: un 18 A 2,500-kilogram roller coaster car travels along the track from Point 1 to Point 6 as shown…

Q: As shown in the picture, the ammeter is connected * in series with resistor 1 in parallel with…

A: In given figure , we can see that one end of ammeter is connected with R1 and other end of ammeter…

Q: Find the following for the path in the figure below. 0 (a) the total distance traveled m (b) the…

Q: 7. A container at room temperature contains equal number of oxygen and nitrogen molecules. Both are…

Q: TASK T Q5-A student investigating the motor effect places a wire between two magnets on a holder, as…

Q: 8 mA 0.8 A What is the reading on this device if the range is assigned at 5A? * 80 mA Oo 0.8 mA 10…

Q: 6. How do noise cancelling headphones work, in principle? Explain briefly.

A: According to the principle of superposition of waves when two waves of the same frequency are out of…

Q: A 0.5-kg ball in the air has an initial velocity Vo = [-40 i] m/s + [-40 J] m/s. It falls for a…

A: We know that the negative y values are in the downward direction. hence the downward speed is 40…

Q: What is the final temperature of a drink if the initial 0.600 kg of water is at a temperature of…

Q: Describe how the concepts of speed, velocity, and acceleration are present during a trip. In your…

A: 1. Speed Speed is termed as the change of position of an object with respect to change of time…

Q: Jeric, a professional rooftop futbol player, kicked a 4.0 kg ball off a rooftop that is 50 m off the…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. The…

Q: Find the acceleration Force 220 N Mass=22 kg

Q: Some salt is added to water,

A: Given. A block of wood is so loaded that it just floats in water at room temperature. What changes…

Q: A car starting from rest moves with a constant acceleration of 10 km/hr2 for 1 hour, then…

A: Do everything in km/hr to simplify.

Q: write statement and formula of columbs law

A: According to Coulomb's Law in electrostatics: The electric force of attraction or repulsion between…

Q: Plank's constant and the frequency of an electromagnetic wave are used to determine_____

A: The planck's constant is represented by = h The frequency is represented by = f

Concept explainers

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?

Question

100%

10:49
LTE O
< All iCloud
Imagine that you are observing a star and you
find the
wavelength of peak emission for the star to be
400 nm.
What would the wavelength of peak emission
be for a
new star that has a surface temperature that
is a
quarter of the original star?
Using the same pair of stars from the first
question,
●
how does the luminosity (the energy output) of
each
star compare if we assume that both stars are
the
same size? (Please provide a specific factor or
proportion)
What type of radiation/light (from the
electromagnetic
spectrum) is each star emitting?
Now imagine that we determine that the
wavelength of
peak emission of the original star was
determined to
be bluer than it should be based on other
observations. Would this indicate that the star
is
moving towards us or away from us relatively
speaking
through space?
0

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1 - Analyzing the Question

VIEW

Step 2 - Solving the Question

VIEW

Step by step

Solved in 2 steps

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

If the orbital velocity of the Earth in its orbit is 30 km/s, then what is the maximum Doppler shift you expect to see for the Hα absorption line at 656.3 nm? Explain your answer and show all of your work.
Would you expect to be able to detect an H II region in X-ray emission? Why or why not? (Hint: You might apply Wien’s law)
We will take a moment to compare how brightly a white dwarf star shines compared to a red giant star. For the sake of this problem, lets assume a white dwarf has a temperature roughly twice as large as a red giant star. As for their stellar radii, the white dwarf has a radius about 1/10000th that of a red giant star. With this in mind, how does the luminosity of a red giant star compare to that of a white dwarf? (Put differently, find the ratio of their luminosities a.k.a. how many times more luminous is the red giant than the white dwarf? An answer of less than 1 means the white dwarf is more luminous, an answer of 1 means they have the same luminosity, and an answer greater than 1 means the red giant is more lu
As a star runs out of hydrogen to fuel nuclear fusion in its core, changes within the star usually cause it to leave the main sequence, expanding and cooling as it does so. Would a star with a radius 6 times that of the Sun, but a surface temperature 0.4 times that of the Sun, be more, or less luminous than the Sun? Show and explain your reasoning. You may assume the surface area of a sphere is A = 4πr2.
Calculate λmax for blackbody radiation for (a) liquid helium (4.2 K), (b) room temperature (293 K), (c) a steel furnace (2500 K), and (d) a blue star (9000 K).
Imagine that you are observing a star and you find the wavelength of peak emission for the star to be 400 nm. What would the wavelength of peak emission be for a new star that has a surface temperature that is a quarter of the original star? Using the same pair of stars from the first question, how does the luminosity (the energy output) of each star compare if we assume that both stars are the same size? (Please provide a specific factor or proportion) What type of radiation/light (from the electromagnetic spectrum) is each star emitting? Now imagine that we determine that the wavelength of peak emission of the original star was determined to be bluer than it should be based on other observations. Would this indicate that the star is moving towards us or away from us relatively speaking through space? (Hint: think of the Doppler effect)
Calculate the total number density ( ntot ) and the density ( ρ ) at a depth in a star composed of pure hydrogen where T = 9500 K and 35 % of the atoms are ionized (assume UI = 2). What percentage of hydrogen atoms are in the energy level n = 2?
If a star has a surface temperature of 25,000 K (2.50 ✕ 104 K), at what wavelength (in nm) will it radiate the most energy? nm Is this a cool or hot star? (Give your answer relative to the Sun.) coolhot
What is the rate of thermal radiation emitted from a star with a radius of 2.310 x 109 m anda surface temperature of 8,420 K? Assume that the spherical surface behaves as a blackbody radiator.[Surface Area of a sphere = 4rr?: Area of a circle = Mr? or (Tt/4)d21
If the human body is well approximated by a black body with tem- perature T = 310◦ K (98.6◦ F). At what wavelength (λ) do we emit the most energy (λmax)? How much energy per area (flux) do we emit? Remember the value of the Stefan-Boltzmann constant is σ = 5.67 × 10−5erg/(cm2K4s1). What kind of radiation (region of the electromagnetic spectrum) do we emit most of?
One way to calculate the radius of a star is to use its luminosity and temperature and assume that the star radiates approximately like a blackbody. Astronomers have measured the characteristics of central stars of planetary nebulae and have found that a typical central star is 16 times as luminous and 20 times as hot (about 110,000 K) as the Sun. Find the radius in terms of the Sun’s. How does this radius compare with that of a typical white dwarf?
How much would thye wattage increase if the temperature was doubled? ( Use the Stefan-Boltzman law) How much energy is produced when the Sun converts 1 kg. of its mass into energy?