In a block of Cobalt/iron alloy very poorly mixed with the irc- of hydrogen is 13.6 eV predict
Q: excited nydrogen atoms need less energy to oxidize than normal ones. It is in the ground condition…
A: If a hydrogen atom only has one electron, the energy necessary to excite it is equal to the amount…
Q: energy gap of (1.81 eV) is equivalent to: O (2.9 * 10-19) Joules O (2.7* 10^19) Joules O (3.1* 1019…
A: as per guideline I am solving the first one, we know that 1 eV=1.6022 *10^-19 J
Q: If the wave function of a three dimensional electronic gas is given. (²L) L √₂m k h ic by the…
A:
Q: !!, if iron A sample of iron was placed in an X-ray diffractometer at 1000 °C and a multitude of…
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: 13. (b) Find the higest energy of the photon emitted by a downward electron transition in the Balmer…
A: Photons can be considered as packets of energy. Each packet will have an energy given by, E=hcλ…
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: Calculate the wavelength of the ionization energy of hydrogen [Adapted from the
A:
Q: (2) Determine, the shortest and longest wavelengths of the Balmer series of hydrogen. (RH = 1.097 ×…
A: The wavelength of lines in hydrogen spectra can be calculated using the Rydberg's formula given by,…
Q: In X-ray fluorescence (XRF), the energy of the characteristic Ka line of iron (Fe) is 6.405 keV.…
A: It is given that the ray line has an energy of 6.405keV. It is required to calculate the wavelength…
Q: An accelerating voltage of 8 keV was used for the EDX (Energy dispersive x-ray analysis) analysis of…
A: Solution:- Energy‐dispersive X‐ray spectroscopy (EDX) is a surface analytical technique…
Q: Debje length = A, = 7430 KT ; where (T in ev) And also poove that Debje length= A=69; whexe (T in k)…
A: We know the expression of debey length is λ=ε0 kTn e2where ,ε0 = 8.85 x 10-12 farads per meter…
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: f lse. 11. In Ophthalmic laser, the laser energy must be fixed for different spot sizes. TrueW
A: Spot size of a laser is the diameter of the focused lase beam expressed in micro meter. It depends…
Q: ] What is the wavelength of the line corresponding to the n-5 to n=3 transition of the hydrogen…
A: Given: Energy Levels to be n=5 and n=3 Rydberg's equation will be used to calculate the Wavelength
Q: For the hydrogen atom, which series describes electron transitions to the N=1 orbit, the lowest…
A: Answer: W) Lyman Series
Q: 1. Let's use the Bohr model to estimate energy states and transition wavelengths. What are the three…
A:
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: 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: Using the formula for the hydrogen atom energy levels, En constant can be written in terms of…
A: Given,En =- μe48ε02h21n2RH = μe48ε02h3cRH →R∞ in the limit μ→me(a) This constant be define for a one…
Q: Q.2: Calculate the longest wavelength for electron revolving in the fifth excited silicon atom,…
A: Wavelength can be calculated by using the equation, 1λ = R132-152Where R is the Rydberg constant…
Q: If the element in the last problem has energy levels E, = 2.54 x 10 18 J and E2 = 2.2 x 10 18 J,…
A: E1 = 2.54×10-18 J E2 = 2.2×10-18 J difference of energy levels = E1 - E2= 2.54×10-18 - 2.2×10-18 J=…
Q: Calculate the proton separation energy for Neon.
A: Separation energy is the amount of energy that is required to remove a nucleon from a nucleus.…
Q: For inorganic LED emitting shorter wavelength (say blue) light, it typically also comes with…
A: The light with shorter wavelength has more energy compared to the larger wavelengths. The shorter…
Q: in a transition from n=~ to n=4, calculate the shortest wavelength photon in the balmer series
A:
Q: two metals A and B have work functions 8 eV and 12 eV respectively. Which metal has a lower cut-off…
A:
Q: transitions
A:
Q: In the saturation mode the BJT has VCE near : 1.2V O 0.2V O -0.2V
A: Saturation in a transistor switch circuit is achieved when the voltage across the collector/ emitter…
Q: Derive the formula of mobility. Calculate the velocity of holes in a p-type of germanium due to its…
A:
Q: What temperature, in ∘C , is a blackbody whose emission spectrum peaks at 2.90 μm ?
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: excited nydrogen atoms need less energy to oxidize than normal ones. It is in the ground condition…
A:
Q: Find the diode laser wavelength (2 emitted via a semiconducting device, * .have bandgap energy 2.8eV…
A:
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…
Step by step
Solved in 2 steps with 2 images