What difference does an astronomer see between the emission spectrum of an element in a receding star and a spectrum of the same element in the lab? (Hint: This relates to information in Chapter 19.)

Q: What is an atom’s ionization energy? In other words, if you know the ionization energy of an atom,…

A: Ionization energy

Q: Photon energy of the light with a given wavelength could be calculated by the following equation…

A: Given Wavelength of yellow light is λy=600 nm=600×10-9 m Wavelength of blue light is λb=450…

Q: Why do different atoms have different lines in their spectra?

A: Atomic spectral lines can be of two types emission and absorption lines.   Emission lines appear…

Q: Suppose a detector in a new space telescope will be capable of detecting visible light between…

A:

Q: A visible photon passes very close to a hydrogen atom but is not absorbed. This could be because the…

A: A visible photon passes very close to hydrogen atom but it is not absorbed why??

Q: Since an absorbing gas re-emits the light it absorbs, why are there dark lines in an absorption…

A: Absorption spectra: The atoms do not only emit photons, they also absorb photons. If the energy gap…

Q: - An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level.…

A: Given  Final state , n1 = 1 Initial state , n2 = 5

Q: erything radiates electromagnetic energy. Classify the object with its peak ligth emission. An…

A: Radiation can be described as energy or particles from a source that travels through space or other…

Q: Astronomy question: Which light can we only observe from space? lights: Viciblo

A:

Q: Draw a wavelength for 517nm / 5.17x10^-7.

A: wavelength is distance between peak to peak amplitudes of a wave.

Q: What aspect of the black body spectrum forced plank to propose quantization of energy levels in its…

A: In the given question, We have to discuss about the aspect of the black body spectrum forced plank…

Q: f the intensity of a UV light is doubled what will happen? Will the energy of each emitted…

A: UV light is a form of electromagnetic radiation, which is transferred from one place to another in…

Q: Calculate the energy of the first 4 photons emitted in the balmer series of the hydrogen spectrum.…

A: To find : The energy of first 4 photons emitted in balmer series of hydrogen spectrum

Q: If h/mc is very very large compared to the wavelength of the radiation that you're sending in to hit…

A:

Q: True or False: Matter in a solid or liquid state producesan emission spectrum that is characteristic…

A: To determine the statement is true or false

Q: For a blackbody object of given volume, which shape will it emit the least radiation? Why?

A:

Q: Find the total energy and the greatest wavelength of the energy emitted from the surface of the sun…

A: Write down the given values using suitable variables. Here ε signifies emissivity, T signifies…

Q: Calculate the threshhold wavelength photon needed to ionize a hydrogen atom

A:

Q: How can you use the emission spectrum of an element to identify it?

A: From emission spectra it is possible to identify the element. When an element gives emission…

Q: How much energy (eV) is needed'to move an electron in a hydrogen atom from a lower energy level n; =…

A:

Q: Determine the energy of a cosmic rays' photon, if its wavelength is 1.24 x 10-14m? (h = 6.63 x…

A: wavelength of photon (λ) = 1.24×10-14 m h = 6.63×10-34 Js

Q: a wavelength of 9.57\times 10^(-6) meters. Write this number in sta silometers. Write this number in…

A: Given data: Wavelength: Concept: Sta Silometer is a unit of length used in astronomy, specifically…

Q: Question-2: KNOWN: Various surface temperatures Hot Cool Surface Sun Tungsten (2500K) metal Skin…

A: We will use Wein's displacement law to determine the wavelength corresponding to the maximum…

Q: Calculate the frequency of the photon released when an electron goes from the n = 3 to n = 2 energy…

A: The frequency of the photon is given by, E=-13.6Z21ni2-1nf2eV Here, Z is the atomic number of the…

Q: What happens to an electron when it emits a photon?

A: When an electron jumps from one energy level to another energy level which is lower than the…

Q: Here is the emission spectrum for a hydrogen atom. To the best of your knowledge, how do you think

A: Total answers posted by the expert is: 3759    A sample of hydrogen gas is taken in a tube and…

Q: A star's light is exoting the atoms in a gas cloud close to the star. If we view only the gas cloud…

A: Atomic structure.

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

A: Concept of energy of photon.

Q: Match the letter of the digital spectrum with the number of the photographic spectrum. (Spectrum (1)…

A: Given : The graph corresponds to an absorption spectrum, darker lines implies that particular…

Q: Calculate the shortest wavelength in the Balmer series of hydrogen atom. In which region (infra-red,…

A: The formula to calculate the wavelength of spectral line is, 1λ=R1nf2-1ni2 Here, λ is the wavelength…

Q: Why was helium discovered in the sun’s spectrum before being observed on Earth? Why was hydrogen…

A: The spectrum from the sun was observed to have a bright yellow line in it and this line was earlier…

Q: 10-3 W). A laser pointer with a wavelength λ = 550 nm has an output power of 5.80 mW (1 mW = What is…

A: Wavelength of light, λ = 550 nm = 550×10-9 m Output power of laser light, P = 5.80×10-3 W

Q: Why is light pure energy? Give me 2 summary paragraphs.

A: Light energy is a kind of kinetic energy with the ability to make types of light visible to human…