If you observe a star’s blackbody spectrum twice, once from Earth and once from a space shuttle above Earth’s atmosphere, what will you see? An absorption spectrum from Earth and a continuous spectrum from space An absorption spectrum from space and a continuous spectrum from Earth An absorption spectrum from space and an absorption spectrum with more absorption lines from Earth An absorption spectrum from Earth and an absorption spectrum with more absorption lines from space

Q: When material falls into a black hole, the material heats and emits light. In what energy band is…

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Q: At what wavelength would a star radiate the greatest amount of energy if the star has a surface…

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Q: Calculate the wavelength of the light emitted when an electron in a hydrogen atom makes each…

A: We are allowed to give the explanation of first three subparts of a question only which is given…

Q: During a nuclear explosion, the core of the explosion reaches temperatures of about 10,000,000 K.…

A: We know that  wiens law   λmax = b / T b = 2.897×10−3 m⋅K T = Absolute temp in  K λmax = peak wave…

Q: You move your outdoor plant (where it is growing with full sun conditions - receiving all…

A: The rate of photosynthesis is defined as the measure of the rate at which radiant energy is being…

Q: What wavelength (in nanometers) is the peak intensity of the light coming from a star whose surface…

A: Determine the wavelength of the light.

Q: Estimate the surface temperature of a star that emits an intense light of frequency 4.8 ×104 Hz. (а)…

A: Given:Frequency of light, f=4.8×1014 Hz To estimates the surface temperature of star.

Q: If a luminous object were moved to one-half the original distance, it would appear   a. one-half as…

A: The final distance is half of the initial distance. df=di2

Q: Excited (ionized) clouds of hydrogen gas emit the visible Balmer wavelengths, which blend to produce…

A: In this problem, it is asking about the color.

Q: In the spectrum of a blackbody, the wavelength of peak intensity (a) decreases as temperature…

A: According to Wiens law product of the wavelength of peak intensity and corresponding Temperature is…

Q: The surface temperature of a star is about 10,000 K.  Use this to calculate the total energy…

A: Given data The surface temperature of a star is Ts = 10000 K The radius of the star is Rstar = 2.5 x…

Q: Which of the following types of light have a wavelength greater than that of visible light?  I.…

A: There are various type of EM waves. All these waves have different types of wavelengths. The waves…

Q: Which of the following are characteristic of ultraviolet radiation from a star?   a. It will not…

A: Ultraviolet radiation comes from a hotter region of the electromagnetic spectrum than visible light.

Q: Analyzing the line spectrum from a star, you notice that all the hydrogen lines have wavelengths…

A: Given, The H alpha line of the star is 0.8% longer.

Q: A photon emitted as a hydrogen atom undergoes a transition from the n = 5 state to the n = 2 state.…

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Q: Choose the correct statements concerning the electromagnetic spectrum given off by stars. (Give ALL…

A: Most electrons emit their electromagnetic energy in the form of light. Hotter stars emit higher…

Q: A bright blue star is moving away from Earth. Which of the choices best completes the following…

A: A bright blue star is moving away from Earth. Answer option A Absorption ,Red shifted

Q: An astronomer discovers a star that has a peak wavelength of 617 nm.

A: For frequency Speed = frequency × wavelength c = f× λ 3× 108 =f x 617 × 10-9 4.8× 1014 Hz = f

Q: Why don’t we see hydrogen Balmer lines in the spectra of stars with temperatures of 3,200 K?

A: Balmer series is a spectral emission line of the hydrogen that result electron transition from…

Q: If the wavelength of the sun's ray is 0.5 micro meter (um), find its frequency. Take the speed of…

A: Given, the wavelength of sunray is 0.5 micrometer sped of light is 3x 10^8 m/s let frequency is f Hz

Q: Describe what happens to the blackbody spectrum as you increase or decrease the temperature. What…

A: Blackbody spectrum.

Q: If the atmosphere were twice as thick as it currently is (extending farther into space), what effect…

A: If the atmosphere were twice as thick as it currently is ( extending farther into space ) , the sky…

Q: A star’s spectrum emits more radiation with a wavelength of 690.0 nm than with any other wavelength.…

A: Wavelength = 690 nm Radius of star = 7.20 × 108 m It is given as a condition that the star is 9.78…

Q: Describe the ultraviolet catastrophe and how it shaped scientists’ understanding of light.

A: Reyleigh Jeans law which was derived using classical mechanics predicted that an ideal blackbody at…

Q: A star has the peak of its blackbody spectrum occur at a wavelength of 284 nm. What is its…

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Q: What kind of spectrum is shown below?     a. black hole spectrum   b. continuous spectrum   c.…

A: absorption line spectrum:   an electromagnetic spectrum in which a decrease in intensity of…

Q: A bright red star is moving towards Earth. Which of the choices best completes the following…

A: Answer : - option D is correct. Explanation It is absorption because it is continuous spectrum,…

Q: You take a spectrum of Rotor from Earth and compare it to a spectrum of the Sun (see Figure 1).…

A: The spectrum of Rotor is observed from the earth, and some spectral lines corresponding to A, B and…

Q: A blackbody radiator in the shape of a sphere has a surface area of 152 If it has a temperature of…

A: Given quantities: Temperature of the radiator (T) = 1200 K Surface area of the sphere (A) = 15 cm2…

Q: 18. A star has its surface temperature of around 10000 K. Find the wavelength of the most intense…

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Q: A mercury vapour lamp emits in the green portion of electromagnetic spectrum at a wavelength of…

A: Given that Wavelength (λ)=546.1 nm bandwidth△ν =6×108 Hz Coherence length is given by L=c△tL=c△νWe…

Q: If a star gives off light at a peak wavelength of 6.80x10-7 m. What would be the temperature of this…

A: Given peak wavelength = 6.8×10-7m

Q: In terms of light, red light is emitted when an electron: a. hits into the photon and is absorbed b.…

A: Light provides sensation to eyes so we see objects around. When light falls on an object, 3 things…

Q: A photon of wavelength of 1400Å is absorbed by an atom and two other photons are emitted. If one of…

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Q: Can you now explain why blue stars hotter than the red stars?

A: 5) "Wien's displacement law states that the peak wavelength of the spectrum of light radiated by a…

Q: If you pass sunlight through a spectroscope you will see a(n)______________spectrum which can tell…

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Q: What is the temperature of an object if the peak wavelength of its blackbody spectrum is 1200…

A: The Wien's law can be written as, λmT=2898 μm·K

Q: Gamma ray radiation has wavelengths from 1.0101 to LO10 m, whereas the wavelength region for visible…

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Q: What is the significance of the color of a star? O The color tells how far away the star is O The…

A: Color of star:-

Q: A blackbody measures 20 cm by 15 cm. If the temperature of the object is 2,500 K, how much energy…

A: The given values are,

Q: Why do lines in the emission and absorption spectra appear at the same wavelength?

A: An atom absorbs light energy and uses this imbided energy to excite its outermost electrons to…

Q: Radiation you feel through your skin is mostly ____________________.  Group of answer choices…

A: Infrared is the least frequency wave. Even it's frequency is smaller than the visible light.…

Q: The light coming from stars is closer to red (long wavelength, low frequency) than we would expect.…

A: Introduction and concepts: The light coming from the stars is observed as a spectra. A spectra…

Q: star that is moving toward Earth will   a. have its spectral lines shifted to the red.   b. have…

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Q: When astronomers look at the spectrum of the Sun, they noticed that the light from one edge is…

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Q: If the blue and orange light of a black body were blocked what colors would now be present in the…

A: blue and orange light of a black body were blocked

Q: n astronomer discovers a star that has a peak frequency of 1.3×1014 Hz. Determine the temperature of…

A: Given: The frequency of the beam is 1.3x1014 Hz.