An electron and a positron meet and completely annihilate, creating two photons, each with the same energy. What is the wavelength of each of the photons?

Q: A) What is the approximate wavelength emitted from helium represented by the bright yellow emission…

A: Given Initial energy Eo = 8 eV

Q: What is the wavelength of a photon that has the same momentum as an electron moving with a speed of…

A: Given : Velocity of electron(v)=1500m/s to find: wavelength of photon

Q: Red Light 2 = 700 nm E = 1.8 eV Green Light 2 = 550 nm E = 2.3 eV Blue Light 2 = 400 nm E = 3.1 eV…

A: Given, Incident energy of red light is  ER 1.8 eV Incident energy of green light is EG  = 1.8 eV…

Q: An excited nucleus emits a gamma-ray photon with an energy of 2.55Mev. a) what is the photons…

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Q: Determine the energy and the momentum of this photon.

A:

Q: How many photons are contained in a flash of green light (525nm) That contains 189KJ of energy?

A:

Q: Most remote controllers for AV equipment emit radiation with the wavelength profile shown in the…

A: The energy of the photon is given by E=hcλ

Q: What is the energy of a neutron having wavelength 300nm?

A: (given)         Wavelength λ = 300 n m = 300×10-9 m Mass m of neutron = 1.675 ×10-27 kg Energy of…

Q: What is the maximum velocity (in m/s) of electrons ejected from a material by 76 nm photons if the…

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Q: A 600-keV X-ray beam is being shielded by a block of Tungsten (density = 19.3 g/cm3). What is the…

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…

Q: An electron is trapped in a one-dimensional box that is 501 nm wide. Initially, it is in the n = 3…

A:

Q: A particle is created in a shower of particle decays. Its velocity is measured to a precision of 50…

A: Given Data: Mass of particle: m = 6.64 × 10-27 kg Uncertainity in the measurement of velocity…

Q: The human eye is sensitive to violet light having a frequency of about 7.5 1014 Hz (a wavelength of…

A: Here the Energy in Joule of photons is given by E=hf whereh=6.626×10-34J/s and f=7.5×1014Hz…

Q: The neutral pion nº is an unstable subatomic particle with a mass of 135.0 MeV/c² and a lifetime of…

A:

Q: A particle is moving 5 times as fast as an electron. The ratio of the de-Broglie wavelength of the…

A: We have been known that- p=hλTherefore,λ=hpλ=wavelengthh=planck…

Q: 6. You purchase a 5000 K, 100 watt light bulb from Home Depot. a) What is the wavelength of maximum…

A:

Q: A laser emits a pulse of light with an energy of 5.0 x 103 J. If the frequency of light is 2.0 x…

A: Given data: Total Energy (E) = 5.0×103 J Frequency (f) = 2.0×1015 Hz Required: Number of pulse (n)

Q: A particle of mass M at rest decays into two particles of masses m, and m₂ having non-zero…

A: We are aware that a particle with mass M at rest splits into two particles with masses m1 and m2,…

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

A: Given:wavelength absorbed by the atom,λ = 1400 Ao = 1400 x 10-10 mthere are two photons emitted…

Q: If the wavelength of a photon is 200nm, what is the energy in eV? Step by step please.

A: Given, The wavelength of the photon λ =200 nm =200×10-9 m. # Energy of the photon needs to be…

Q: A photoelectron is produced from a bismuth surface (which has a work function of 4.31 eV) at a speed…

A: Step 1:Given:The work function of Bismuth: W=4.31eVThe speed of the ejected photoelectron:…

Q: Calculate the wavelength of a photon that has the same energy as the rest energy of an electron…

A: We know thatEnergy of photon is given byE=hcλHereh=6.626×10-34Jsplank constantc=3×108m/sspeed of…

Q: If all the energy from a 119 W light bulb is emitted, on average, at 690.0 nm, how many 690.0 nm…

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Q: Electrons Vacuum tube Typical values for a dental x ray are a kVp of 70 (meaning a peak voltage of…

A: Given: The accelerating potential of the X-rays is V = 70 kV

Q: 140-keV gamma ray has a photoelectric interaction with a K-shell electron of lead (Eß=88 keV). What…

A:

Q: Imagine an alternate universe where the value of the Planck constant is 6.62607-10-10 J-s. In that…

A: For a grainAfter putting valuesIt is quantum

Q: Imagine an alternate universe where the value of the Planck constant is 6.62607x10−17J·s. In that…

A:

Q: What is the wavelength, in nvm, of an electron traveling at 10% of the speed of light?

A: The solution is given below

Q: particle in Another theory of dark matter (there are many theories!) predicts that there is a the…

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Q: A certain microscopic object has a wavelength of 8.4 x 10*-14 m and a speed of 1.2 × 10*5 m/s. What…

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Q: 7. Borg ships are cubical. A Borg ship is approaching earth. According to an observer on earth, the…

A: Given: The height of the ship is 1000 m. The width of the ship is 1000 m. The depth of the ship is…

Q: For an electron to have the same momentum as a photon with a wavelength of 5.00 ´ 10-7 m, the…

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Q: Suppose a proton is moving at 1.25 % of the speed of light. a)Calculate the wavelength, in meters,…

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Q: What is the radius for an electron having total energy of -3eV in the third energy level? 0.477nm…

A:

Q: 1.4 A radiation with a frequency of 3.13 x10¹5 Hz releases an electron from a copper plate. The…

A: 1.4) This problem can be solved by the concept of photoelectric effect. T= E-(work function)

Q: After experiencing an inelastic collision with an electron, a photon underwent a change in…

A:

Q: (a) If the wavelength of an electron is 4.77 ✕ 10−7 m, how fast is it moving? ______ km/s   (b)…

A: Part (a)  Wavelength, λ = 4.77 ✕ 10−7 m Speed, v = ?  Part (b)  Speed, v = 3.50 ✕ 106 m/s…

Nuclear interactions

In nature, there are certain rules and standards for an interaction. These interactions are universally accepted. There are four types of interactions: