An Xray scattering from an electron with negligible initial kinetic energy is observed to undergo a change in wavelength by 2.561 pm. i.e. The scattered Xray photon has a wavelength 2.561 pm larger than the incident Xray photon. Find
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Physics
An Xray scattering from an electron with negligible initial kinetic energy is observed to undergo a change in wavelength by 2.561 pm. i.e. The scattered Xray photon has a wavelength 2.561 pm larger than the incident Xray photon. Find the direction of propagation of ... 
Physics
An Xray scattering from an electron with negligible initial kinetic energy is observed to undergo a change in wavelength by 2.561 pm. i.e. The scattered Xray photon has a wavelength 2.561 pm larger than the incident Xray photon. Find the direction of propagation of ... 
physics
Assuming that the equation Ephoton, final = Ephoton, initial/1 + Ephoton, initial/mec2 (1 − cos θ) can be approximately applied at all scattering angles θ, what is the minimum energy of a scattered Xray photon if the incident Xray energy is 76 keV? What is ... 
Physics
An Xray photon scatters from a free electron with negligible initial kinetic energy at an angle of 121.2 degrees relative to the incident direction. (Take the Compton wavelength of the electron to be 2.43 pm, and all other constants/conversions to three accepted sig digs... 
Physics Compton Scattering
QUESTION 1: Calculate the maximum increase in photon wavelength that can occur during Compton scattering. = ??? pm QUESTION 2: What is the energy (in electron volts) of the smallestenergy xray photon for which Compton scattering could result in doubling the original ... 
physics
An incident Xray photon of wavelength 0.2800nm is scattered from an electron that is initially at rest. The photon is scattered at an angle of 180.0 degrees and has a wavelength of 0.2849nm. Use the conservation of linear momentum to find the momentum gained by the electron. ... 
physics
An incident Xray photon of wavelength 0.2800nm is scattered from an electron that is initially at rest. The photon is scattered at an angle of 180.0degrees and has a wavelength of 0.2849nm. Use the conservation of linear momentum to find the momentum gained by the electron. I... 
physics
A gammaray photon produces an electronpositron pair, each with a kinetic energy of 275keV . What was the energy of the photon? E=in MeV What was the wavelength of the photon? wavelength in m Please help thank you! 
Physics
A gammaray photon produces an electronpositron pair, each with a kinetic energy of 275keV . What was the energy of the photon? E=in MeV What was the wavelength of the photon? wavelength in m Please help thank you! 
Physics
Xrays with an energy of 300 keV undergo Compton scattering from a target. If the scattered xray are directed at 30 degrees relative to the incident rays, find a)The Compton shift at this angle b) The energy of the scattered xray c)The energy of the recoiling electron 
Physics
Xrays with an energy of 300 keV undergo Compton scattering from a target. If the scattered xray are directed at 30 degrees relative to the incident rays, find a)The Compton shift at this angle b) The energy of the scattered xray c)The energy of the recoiling electron 
chemistry
an xray photon of wavelength 0.989nm stricks a surface. the emitted electron has a kinetic energy of 969 eV.what is the binding energy of the electron in kj/mol? 
general chemistry
An Xray photon of wavelength 0.948nm strikes a surface. The emitted electron has a kinetic energy of 979 eV. What is the binding energy of the electron in Kjol/mol ? 
quantum physics
After a .800nm xray photon scatters from a free electron, the electron recoils with a speed equal to 1.20 x 10^6 m/s. (a) What was the Compton Shift in the photon's wavelength? (b) Through what angle was the photon scattered? I got an answer for (a), but when i use it to ... 
physics (Compton effect)
need helppp. Find the energy of an xray photon that can impart a maximum energy of 50 keV to an electron by Compton collision. Max energy being Kinetic Energy? do I just plug the 50*10^3 eV (convert to J) into the E=h (c/lambda) equation?? We are not given theta, the incident... 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron. 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron. 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron. 
Physics
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron. 
The Binding Energy of Electrons?
An Xray photon of wavelength 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 935 eV. What is the binding energy of the electron in kJ/mol? [KE =1/2 mv^2; 1 electron volt (eV) = 1.602 x 10^ 19 J] 
physics
A Photon of energy 240 KeV is scattered by a free electron. If the recoil electron has a Kinetic energy of 190 KeV, what is the wavelength of the scattered photon? 
Photon Energy
How much energy is contained in 1 mol of each of the following? Xray photons with a wavelength of 0.175 nm. Gammaray photons with a wavelength of 2.48×10^−5 nm. 
College Physics
An xray photon collides headon with an electron and is scattered directly back at 160◦ to its original direction. What is the shift in the wavelength of the incident xray? do i need to figure out the "compton shift" in order to solve..can someone please show me how to... 
Physics help please
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron. i found the photon energy using compton scatter equation at 110 degrees, ... 
CHEM
I just have a couple of questions that I need some help with: 1) A 0.22caliber handgun fires a 27g bullet at a velocity of 765m/s. Calculate the de Broglie wavelength of the bullet. Express your answer using two significant figures in meters. ~and~ 2) An Xray photon of ... 
General Chemistry
Hospital Xray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1 nm=109m. What is the energy of a photon in an X ray? 
physics
What is the energy in joules of an xray photon with wavelength 8.40*10e10 m? ____J? (b) Convert the energy to electron volts. ___eV ? 
physics
Calculate the frequency in hertz and cm1, as well as the energy in joules and electron volts of an xray photon with a wavelength of 4.55 angstroms. 
physics
in the compton scattering event, the scattered photon has an energy of 120 keV and the recoiling e has an energy of 40 keV. Find the wavelength of the photon. 
physics
a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each. b) If a photon and an electron each have the same wavelength of 250 nm, find the energy of each. c) You want to study an organic molecule that is about 250 nm long using either a ... 
Science
I have a question from an old exam that I need help to understand, i'm not sure where to start An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon strikes a metal surface ... 
science
I have a question from an old exam that I need help to understand, i'm not sure where to start An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon strikes a metal surface ... 
Physics
When uranium 92U235 decays, it emits a ray. If the emitted ray has a wavelength of 1.30 x 1011 m, determine the energy (in MeV) of the ray 
Analytical Chemistry
A photon of an Xray radiation has a wavelength of 5.50 Å. For the radiation, calculate the (a)frequency in Hertz, (b)the energy in Joules, (c) the energy in electron volts (eV) and (d) the energy in kJ/mol. 
Analytical Chemistry
A photon of an Xray radiation has a wavelength of 5.50 Å. For the radiation, calculate the (a)frequency in Hertz, (b)the energy in Joules, (c) the energy in electron volts (eV) and (d) the energy in kJ/mol. 
Physics
Gamma rays of photon energy 0.511 MeV are directed onto an aluminum target and are scattered in various directions by loosely bound electrons there.a) What is the wavelength of the incident gamma rays? b) What is the wavelength of the gamma rays scattered at 90 degrees to the ... 
Physics
Gamma rays of photon energy 0.511 MeV are directed onto an aluminum target and are scattered in various directions by loosely bound electrons there.a) What is the wavelength of the incident gamma rays? b) What is the wavelength of the gamma rays scattered at 90 degrees to the ... 
Physics
Gamma rays of photon energy 0.511 MeV are directed onto an aluminum target and are scattered in various directions by loosely bound electrons there.a) What is the wavelength of the incident gamma rays? b) What is the wavelength of the gamma rays scattered at 90 degrees to the ... 
Chemistry
I have this question from an old exam for review. I tried the question but can't get the right answers. An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon strikes a metal ... 
Chemistry
I have this question from an old exam for review. I tried the question but can't get the right answers. An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon strikes a metal ... 
Physics help please
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron mp=mass of proton=1.673x10^27 λ=h/mpc(1cosθ) λ=(6.6261x10^... 
Physics
I need help solving this please! I think that for part (b) I can use energy and wavelength to solve for frequency and the one with the highest frequency is the most damaging, but I'm not sure what to do for part (a). You want to study a biological specimen by means of a ... 
chemistry
Cobalt60 is radioactive isotope used to treat cancers. A gamma ray photon emitted by this isotope has an energy of 2.13 x 10—13 J. What is the wavelength of this gamma ray in SI unit? 
Chemistry
When an electron makes a transition from the n=3 to the n=2 hydrogen atom bohr orbit, the energy difference between these two orbits (3.0x10^19 J) is given off in a photon of light. The relationship ... between the energy of a photon and its wavelength is given by E=hc/... 
physics
What is the wavelength of an Xray photon with energy 6.0 (6000 )? (Hint: 1 = 1.60 1019 joule.)? 
physics
what is the wavelength of an X ray photon with energy 10 keV?(10,000eV)? what is the frequency? 
Chemistry
Cobalt60 is a radioactive isotope used to treat cancers. A gamma ray emitted by this isotope has an energy of 1.33 MeV (million electron volts; 1 eV = 1.602 multiplied by 1019 J). What is the frequency (in Hz) and the wavelength (in m) of this gamma ray? 
Physics
A photon of energy E strikes an electron at rest undergoes pair production, producing a positive electron(positron) and an electron, photon+electron produce positron+electron+electron The two electrons and the positron move off with identical momenta in the direction of the ... 
Chemistry
Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞). Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Calculate the energy (Joules) ... 
physics
Hydrogen atom is initially in the ground state. It is excited by a photon bombardment and it then undergoes a transition from n = 3 to n=2 state. a) What is the frequency of the bombarding photon? b) What are the energy, momentum and the wavelength of the emitted photon? c) ... 
Physics
The kinetic energy of a massive particle is equal to the energy of a photon. The massive particle moves at 1.49 % the speed of light. What is the ratio of the photon wavelength to the de Broglie wavelength of the particle? (Assume the standard nonrelativistic ... 
Physics
The energy of an Xray photon is ..... the energy of a gamma ray photon. I think its the same as. Is that right? 
college physics
The energy difference between states A and B is twice the energy difference between states B and C (C > B > A). In a transition (quantum jump) from C to B, an electron emits a photon of wavelength 300 nm. What is the wavelength emitted when the photon jumps from B to A? ... 
Physics
A Green light wave is traveling a rate of 3*10^8 m/s and a wavelength of 561 m. How fast would a red wave with a wavelength of 447m travel? 
Chemistry/Physics
"Colbalt60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this isotope has an energy of 1.33 MeV (million electron volts; 1 eV = 1.602*10^19 J). What is the frequency (in Hz) and wavelength (in m) of this ... 
Science
What kind of experiment might you use to distinguish between a gamma ray of wavelength 10^11m and an electron whose de Broglie wavelength is also 10^11m? 
Science
What kind of experiment might you use to distinguish between a gamma ray of wavelength 10^11m and an electron whose de Broglie wavelength is also 10^11m? 
Chemistry
calculate the wavelength in nm of the spectral line produced when an electron in an hydrogen atom undergoes the transition from n=3 to n=2. I get 6.56x10^7 meters and 6,561.68 nm but that is not the right answer...help please! 
chemistry
When a photon of light hits the surface of a metal, a photoelectron may be emitted. Some of the photon's energy is required to free the electron from the surface. The remaining energy becomes the kinetic energy of the photoelectron. The minimum energy for the emission of an ... 
Physics
The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an xray? 
Physics
The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an xray? 
Physics
The Stanford Linear Accelerator can accelerate electrons to 50GeV (50x10^9eV). What is the minimum wavelength of photon it can produce by bremsstrahlung? Is this photon still called an xray? 
physicss
Which of the following is true for a photon? A photon of wavelength 3000 x 1010 m has momentum twice than a photon of wavelength 6000 x1010 m. A photon of wavelength 3000 x 1010 m has momentum twice than a photon of wavelength 6000 x1010 m. A photon of wavelength 3000 x 10... 
Science
What is the wavelength and the frequency of a 50MeV gamma ray photon. 
Physics Help please
im not really understanding the question can someone please help me. the energy difference between states A and B is twice the energy difference between states B and C (C > B > A). In a transition (quantum jump) from C to B, an electron emits a photon of wavelength 400 ... 
College Physics II
1) An electron moving with a speed of 2.84E+6 m/s has the same momentum as a photon. Calculate the de Broglie wavelength of the electron. 2) Calculate the wavelength of the photon. 
science
Find the frequency and wavelength of a 50MeV gammaray photon. 
Physics
What is the momentum of a wavelength= 0.015nm Xray photon? p= in kg*m/s Please help I am confused. Thank you. 
Physics
The kinetic energy of a particle is equal to the energy of a photon. The particle moves at 6.9% of the speed of light. Find the ratio of the photon wavelength to the de Broglie wavelength of the particle. Take the speed to be nonrelativistic. 
Chemistry
A hydrogen atom in the ground state absorbs a photon with a wavelength and after it release a photon with a second wavelength. On which orbital will drop the electron? 
physics
a photon whose energy equals the rest energy of the compton collision with an electron, if the electron moves off an angle of 40 degrees to the original photon direction, what is the energy of the scattered photon? assume all constant given. please i need an answer. 
chemistry
An hydrogen atom in the ground state absorbs a photon with a wavelength one and after release a photon with a wavelength two,on which orbital will drop the electron? 
science
What is the wavelength of waves transmitted by an AM radio station operating at a frequency of 840 kilohertz? Calculate the energy of a photon whose frequency is 2450 megahertz What is the difference in energy for a photon of ultraviolet radiation, wavelength 319 nm and a ... 
Quantum Physics
How is it a substance can emit photons of visible light after absorbing ultra violet photons but not with infrared radiation The reemitted photons must be of lessor energy (longer wavelength) than the incident photons. In a onephoton absorption process, the absorbed photon ... 
chemistry
I am confused on how to even start this problem... A ground state H atom absorbs a photon of wavelength 94.91 nm, and its electron attains a higher energy level. The atom then emits two photons: one of wavelength 1281 nm to reach an intermediate level, and a second to reach ... 
chemistry
I am confused on how to even start this problem... A ground state H atom absorbs a photon of wavelength 94.91 nm, and its electron attains a higher energy level. The atom then emits two photons: one of wavelength 1281 nm to reach an intermediate level, and a second to reach ... 
chemistry
Calculate the energy of a photon of wavelength 3.1 µm with that of wavelength 0.166 nm. What I Got: 3.1 µm photon: 6.36x10^22j 0.166nm photon: 1.23x10^19j Also, what region of the electromagentic spectrum would each of these measurements belong to? 
physics
The hydrogen atom consists of a proton with an electron in orbit about the proton. The laws of quantum mechanics determine that the radius of this orbit is 5.29x10^11 meters. Therefore, calculate a) The electric potential the electron experiences. b) The next available orbit ... 
Physics
A hydrogen atom is in its third excited state (n=4). Using Bohr theory of the atom calculate (a) the radius of the orbit, (b) the linear momentum of the electron, (c) the angular momentum of the electron (d) the kinetic energy (e) the potential energy, and (f) the total energy... 
Physics wavelength question, help please .
The energy of an XRAY quantum of wavelength 1.0 X 10^10 m is. its answer is 1.99 X 10^ 15, but i don't know how to solve it , thanks help please 
Math
1. What is the name of the ray that is opposite of ray BA? Description of the ray. It's a straight line with the points A B C D all in a row. A) Ray BD B) Ray BA C) Ray CA D) Ray DA This doesn't make sense. I thought that CD would be opposite of BA. But I've done some thinking... 
Physics
In which region of the electromagnetic spectrum do we find the energy to fully ionize hydrogen? A) Radio B) Infrared C) Visible D) Ultraviolet E) Xray I want to know how you would go about doing this question; I know we need to find the wavelength, but what exactly is the ... 
chem
What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron from the orbital with n =5 to the orbital with n = 2? Note, the line corresponds to the energy of the photon that is emitted in the transition. 4.34 ... 
physics
The Kâ characteristic Xray line for tungsten has a wavelength of 1.94 1011 m. What is the difference in energy between the two energy levels that give rise to this line? Express this in each of the following units. (a) joules (b) electron volts 
physics
The Kâ characteristic Xray line for tungsten has a wavelength of 1.94 1011 m. What is the difference in energy between the two energy levels that give rise to this line? Express this in each of the following units. (a) joules (b) electron volts 
Physics
Which of the following is the most energetic? Infrared Photon,Gamma Ray Photon, XRay Photon, or Visible Photon. Is it Visible Photon? 
Physics
A photon having wavelength λ scatters off a free electron at A (see figure below), producing a second photon having wavelength λ'. This photon then scatters off another free electron at B, producing a third photon having wavelength λ'' and moving in a direction ... 
de Broglie Wavelength
The presence of oxygen atoms on the surface results in auger electrons with a kinetic energy of approximately 505 eV. What is the de Broglie wavelength of this electron? [KE= (1/2)mv^2; 1 electron volt (eV) = 1.602*10^19 J] 
chem
A photon of ultraviolet (UV) light possesses enough energy to mutate a strand of human DNA. What is the energy of a single UV photon having a wavelength of 24 nm? What is the energy of a mole of UV photons having a wavelength of 24 nm? 
Chemistry
Which electron transition in a hydrogen atom will emit a photon with the longest wavelength? n = 2 to n = 1 n = 3 to n = 1 n = 1 to n = 2 n = 1 to n = 3 I would assume it would be a short electron transition since energy and wavelength are inversely related. But I am a little ... 
chemistry
What is the wavelength of the transition from n = 2 to n = 1 for Li2+? Li2+ is a hydrogenlike ion. Such an ion has a nucleus of charge +Ze and a single electron outside this nucleus. The energy levels of the ion are Z2RH/n2, where Z is the atomic number. nm In what region of... 
Physics
The minimum frequency for the photoelectric effect of a zinc plate is 9.7 × 1014 Hz. What will be the kinetic energy of an ejected electron when a photon with a wavelength 200 nm (2.00 × 10 7 m) strikes it? 
Physics
in the laboratory frame, a photon of energy 8.0 x 10^3 eV and a free electron of energy 2.0 x 10^3 eV (consider what is meant by 'energy' here; is it kinetic energy? total energy? can it be total energy?) are moving directly towards each other and collide head on. a) in the ... 
chemistry
You are conducting experiments with your xray diffractometer. (a) A specimen of molybdenum is exposed to a beam of monochromatic xrays of wavelength set by the Kα line of silver. Calculate the value of the smallest Bragg angle, θhkl, at which you can expect to ... 
Chem
Hello What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron from the orbital with n =5 to the orbital with n = 2? Note, the line corresponds to the energy of the photon that is emitted in the transition... 
Physics
How fast must a 138 g baseball travel in order to have a de Broglie wavelength that is equal to that of an xray photon with A = 100. pm? 
Chemistry
How fast must a 144 g baseball travel in order to have a de Broglie wavelength that is equal to that of an xray photon with = 100. pm? 
Physics
A ray of light of frequency 5.09 x 10^14 Hz passes from air into flint glass (n=1.6). a.) If the ray enters the flint glass at an angle of 30*, what is the angle of refraction? b.) What is the critical angle for a ray of light traveling from flint glass to air? c.) What is the... 
Physics
Find energy of an Xray photon which can impart maximum energy of 50 keV to electron? 
physics
find the energy of an xray photon which can impact a maximum energy of 50 kev to an electron