In a block of Cobalt/iron alloy very poorly mixed with the irc- of hydrogen is 13.6 eV predict
Q: Given the value of Rydberg constant is 107m−1, the waves number of the lest line of the Balmer…
A: We know that: λ1= R(1/n12−1/n22)
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A: If a hydrogen atom only has one electron, the energy necessary to excite it is equal to the amount…
Q: At 308K the fraction of atoms in the upper state of a two-level laser is 2.16 x10 33, What is the…
A: Laser actions can be achieved with atoms, ions or molecules in gases, liquids, solids, glasses etc.…
Q: what is the wavelength of a hydrogen Balmer series proton for m=4 and n=2? Use the rydberg formula
A:
Q: How many electrons can be in the n=5 ,l=3subshell?
A: To find: To find the number of electrons in a sub shell using the given values of n and l
Q: ev Bohr energy given by the formula (-13.6)/n^2
A: Bohrs energy is given by the formula : E=-13.61n2eV Here, E is the energy of an electron in nth…
Q: 3. What is the qualitative difference between the absorption spectra of a direct gap and that of an…
A: Direct band gap is defined as the band gap in which the crystal momentum of electrons and holes is…
Q: A certain element has its outermost electron in a 3p subshell. It has valence +3 because it has…
A: It is given that the element has its outermost electrons in a 3p subshell and has +3 valency.
Q: Based on modified Bohr's model of hydrogen atom, prove that the total energy is given by: En -13.6z2…
A: The atom was considered indivisible at the beginning of the 19th century. Then Thompson gave the…
Q: The work functions for sodium, cesium, copper, and ironare 2.3, 2.1, 4.7, and 4.5 eV, respectively.…
A: The wave function is defined as the minimum energy required by the photon to emit electron from the…
Q: (b) (4, 3, 2, -1) (4, 2, 3, 1) Is the transition allowed? Yes What is the energy involved (in eV)?…
A: Given is a transition fromOn the basis of the given data we need to answer the following1.) Is the…
Q: Cesium has a work function of 2.14 eV. What is the wavelength (nm) of a photon with the threshold…
A: Work function (Wo) = 2.14 eVKinetic energy of ejected electron, KE = 580.89 nm
Q: In the Balmer series, the wavelength of a certain line is measured as 379.1 nm. What transition does…
A: Given Wavelength λ = 379.1 nm
Q: 1. Let's use the Bohr model to estimate energy states and transition wavelengths. What are the three…
A:
Q: wavelength of 69.058 µm is observed in a hydrogen spectrum for a transition that ends in the nf = 11…
A: Wavelength (λ) = 69.058 µm nf = 11 ni = ?
Q: filled electron shells makesa metal into a magnet O Half O Completely
A: In the given question we have to discuss about, how many filled electrons shells makes a metal into…
Q: 3. An electron in a helium atom is in a state described by the (normalized) wave function &= 4…
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Q: a) Consider that the first line of the Balmer series of the 1H spectrum is due to the transitions…
A: Balmer series describe about the spectral line emissions of the hydrogen atom. It is usually…
Q: The electronic structure of one-dimensional chain of sodium (Na) atoms can be approximately…
A: Concept: In one dimension, the energy difference between the number of energy levels corresponding…
Q: (a) The L→ K transition of an X-ray tube containing a molybdenum (Z = 42) target occurs at a…
A:
Q: (a) The Lyman series in hydrogen is the transition from energy levels n = 2, 3, 4, ... to the ground…
A: a) Given For the Lyman series in a Hydrogen atom The energy of each level is En=-13.6eVn2 So when an…
Q: The following process: Cl2(g) → 2CI(g) requires 239 kJ/mol. What is the maximum wavelength of light…
A: For 1 mole of Cl2, we need 239 KJ of energy. Hence, for one molecule of Cl2, we would require…
Q: i) Consider the anomalous Zeeman pattern of D₁ and D2 lines of sodium. Calculate the frequency of…
A: Solution: The D1 line is obtained for the following transition in the normal Zeeman effect. 3 p1/22…
Q: Calculate the X - ray angle for Si ( 111 ) and ( 200 ) peak , giving the lattice parameter of Si is…
A: Silicon (Si) has a face centred diamond cubic crystal structure. For cubic lattice, the interplanar…
Q: What is the full electron configuration in the groundstate for elements with Z equal to (a) 26, (b)…
A: Electronic configuration
Q: A0d Intense field is appearing when a 2 points very high intensity of the laser is applied on % :l…
A: Intense field is appearing when a very high intensity of the laser is applied on T Sapphire Glass…
Q: The first absorption spectrum of 1Pco is at 3.842 cm while that of "cl0 is at 3.673 cm'. The ratio…
A:
Q: A He-Ne laser has a gas discharge temperature of 400 k. The atomic mass of Ne (which is responsible…
A: In this question we have to calculate the line shape broadening due to doppler effect. Please give…
Q: The Lyman series comprises a set of spectral lines. All of these lines involve a hydrogen atom whose…
A: Since you have asked multiple question ,we will solve the first three question for you. To get the…
Q: h the 2d spacing of 0.4028 nm
A: Given: To find the element with the lowest atomic number as,
Q: two metals A and B have work functions 8 eV and 12 eV respectively. Which metal has a lower cut-off…
A:
Q: As red light shines on a piece of metal, no electrons arereleased. When the red light is slowly…
A: The energy of the light wave is, E=hcλ Here h is Planck's constant. c is the speed of light in…
Q: transitions
A:
Q: Calculate the wavelength of the He–Ne laser (seeFig. 28–20).
A: In the He-Ne laser, the He is excited to E1 state in the electric discharge. This energy is…
Q: Explain how the closely spaced energy levels for hydrogennear the top of Fig. 27–29 correspond to…
A: The closely spaced energy levels correspond to the different transitions of electrons from one…
Q: excited nydrogen atoms need less energy to oxidize than normal ones. It is in the ground condition…
A:
Q: A Spectral peak in the absorption spectrum of an atom occur s at a wavelength of 550nm and has a…
A: Forumula derived from Heisenberg uncertainty principle
Q: 13. (a) Find the higest energy of the photon emitted by a downward electron transition in the…
A: The energy of photons is quantized. Each photon will have a energy defined by, E=hcλ Here h is…
Q: A hydrogen electron makes a transition from n=5 to the ground state. Determine LAL frec uency and…
A: According to the Rydberg equation, 1λ=RH1nf2-1ni2 where λ is the wavelength, RH is the Rydberg…
Q: 12. (b) Find the shortest vacuum-wavelength photon emitted by a downward electron transition in the…
A: When electrons make a transition from one level to another the wavelength of the photon released is…
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