caculate the energy [in ev]  of a photon with a wavelength of 450nm. One ev is equivlent to 1.6e-19 joules.

Q: What is the energy range (in joules and eV) of photonsin the visible spectrum, of wavelength 400 nm…

A: The energy of the photons with wavelengths at the ends of the visible spectrum are,…

Q: If free electrons with kinetic energy 12.75 eV collide with these atoms, what photon wavelengths…

A: The expression for the energy is,

Q: What is the momentum of a λ=0.014nm X ray Photon ?

A: λ = 0.014 nm

Q: A neutron weighs 1.675E-27kg. if it has en energy of 0.025 eV, what isits velocity?

A:

Q: An incident photon (11keV) strikes a thin metal foil and ejects an electron. If the emergent photon…

A: Energy of photon, E = 11 keV = 11000 eV = 11000×(1.6×10-19 ) Scattered angle, ө = 46 ᵒ

Q: Alaser beam of light propagating at awavelength of 585 hm the energy of the emitted Photon is…

A: given  wavelength of light λ=585nm =585*10-9 m we know energy of photon E=hν =hcλ where ν= frequency…

Q: how much energy iscontained in 0.250 moles of photons of light with wavelength if 350.0nm?

A: Given, Number of moles,n=0.25  Wavelength of light,λ=350 nm=3.5×10-7m

Q: • The K-shell ionization energy of iron is 8500 eV, and its L-shellionization energy is 2125 eV.…

A:

Q: A laser used to weld detached retinas puts out25-ms-long pulses of 640-nm light which average…

A:

Q: A microwave oven produces electromagnetic radiation at λ=12.2cmand produces a power of 720 W.…

A: The given values are, λ=12.2 cm=12.2×10-2 mP=720 W

Q: What is the frequency of a 9 x 1025 joule photon?

A:

Q: Calculate the frequency in hertz of a 1.00-MeV γ -ray photon.

A:

Q: Qy whet is the expectal ian value of findwg aplatan of the photonicstete 147=3 IV> + H> in ver ticl…

A: |ψ>=13|V>+23|H> probability of finding photon in vertical polarization or in state |V>…

Q: How much total kinetic energy will an electron–positronpair have if produced by a 3.64-MeV photon?

A: Given: The energy of the photon is 3.64 Mev. Introduction: The total energy of the photon is the sum…

Q: What minimum accelerating voltage would be required to produce an x-ray with a wavelength of 70.0…

A:

Q: An x-ray photon with wavelength 15.0 pm is scattered at 84.0° by an electron. What is the wavelength…

A:

Q: Show that the wavelength of a photon, measured in angstroms, can be found from its energy, measured…

A:

Q: A proton is trapped in a one-dimensional box of length L. If the zero-point energy is to be 71.0 eV,…

A:

Q: If a photoemissive surface has a threshold frequency of 4.6 x 104 Hz, calculate the in eV. Givenh =…

A:

Q: energy of a particle og Mass is giuen y 3 t? 2. 2 E = mw 2m x2 2. the Uncertainty principle (Ax.…

A:

Q: An electron in a piece of aluminum requires at least 6.73e-19 J of energy to be ejected from the…

A: "Since all questions are different, as per guidelines we can author only 1st one. Please repost…

Q: X-rays of wavelength λ = 0.140nm are scatteredfrom carbon. What is the expected Compton…

A: Given: The wavelength of X-ray  λ = 0.140 nm  are scattered from carbon. To find: The expected…

Q: ) if A = = 3i+4j +2K and B= -2i +6j +5k find A. В. (A.B änjö a)

A: Option b

Q: The mass attenuation coefficient of copper is 0.0589 cm2/g for 1.0-MeV photons. The intensity of…

A:

Q: What is the recoil velocity of an electron (in m/s), if a 17 keV photon strikes the electron…

A: Energy of photon =17 kev Photon is scattered through an angle (θ)= 92.8o The energy of scattered…

Q: eV 0.044, its frequency (in GHz) is: - If the phonon energy is

A: Given: The energy of the photon is 0.044 eV.

Q: ) if A = = 3i+4j +2K and B= -2i +6j +5k find A. B. ( A .B änjö ))

A: The dot product of two vectors A and B can be determined as,

Q: A carbon dioxide laser used in surgery emits infraredradiation with a wavelength of 10.6 μm . In…

A: Given information: Here, λ is the infrared radiation’s wavelength, Δt is the time till the laser is…

Q: If the shortest-wavelength bremsstrahlung X-rays emittedfrom an X-ray tube λ= 0.035nm have what is…

A: λ= 0.035nm = 0.35 Angstrom

Q: The peak intensity of the CMBR occurs at a wavelength of 1.1 mm. What is the energy in eV of a…

A:

Q: cal culate the length of the De Broglie Wavelength of the 24 Earth, with a mass of 6 * 10' Km…

A: Given data The mass of the earth is given as m = 6 x 1024 km. The speed of the earth is given as v…

Q: (a)aCalculate the velocity (in m/s) of an electron that has a wavelength of 8.76 µm.   (b) Through…

A: Data Given ,  Mass of electron ( me ) = 9.109 × 10-31 kg Wavelength ( λ ) = 8.76 µm = 8.76 × 10-6 m…

Q: If the metal with work function of 1.1eV is exposed to 356.9nm light, what is the maximum speed of…

A:

Q: Monochromatic radiation at 400 nm, produced by a laser, is completely absorbed by a reaction mixture…

A: Solution:

Q: What percentage increase in wavelength leads to a 75% loss of photon energy in a photon –free…

A: We know,

Q: An initially stationary electron is accelerated through a voltage 93.6 eV. What is it's de Broglie…

A: