A laser gives off a monochromatic ultraviolet light with a wavelength of 344nm. What is the energy of each photon of light?

Q: The wavelengths of light emitted by a firefly span the visible spectrum but have maximum intensity…

A: Given: Power = 1.2 m W Lasting time = 100 m s

Q: A photon of green light has a wavelength of 520 nm. Find the photon's frequency, magnitude of…

A: Given that  λ=520 nm=520×10-9m& we know that h=6.6×10-34J.s

Q: Please help me answer this question. A photon has a wavelength of 250 nm. A) What is its frequency?…

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Q: Photons of a certain ultraviolet light have an energy of 6.34 * 10-19 J. (1a) What is the frequency…

A: Dear student, this question contains more than three sub-parts. As per guide lines we will answer…

Q: What is the photon energy for yellow light from a highway sodium lamp at a wavelength of 589 nm?

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Q: An x ray tube has an applied voltage of 100 kV. (a) What is the most energetic x-ray photon it can…

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Q: If we were to consider waves on the electromagnetic spectrum with wavelengths of 4.3 x 10^7 nm and…

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Q: If photon A was a violet colored photon in the visible region of the electromagnetic spectrum,…

A: Given If photon A was a violet colored photon in the visible region of the electromagnetic spectrum,…

Q: a) Calculate the frequency (in s-1) and the energy (in J) of a photon with the wavelength of 170 nm.…

A: Wavelength of photon (λ) = 170 nm = 1.7×10-7 m

Q: A 2.0 - kg object falls from a height of 5.0 m to the ground. If the change in the object’s kinetic…

A: Calculating the number of photons required:

Q: The color blue has a wavelength of 475 nm. What is the energy of a blue photon? (h = 6.626 x 10^-34,…

A: wavelength of blue color = 475 nm

Q: The work function of tungsten is 4.5 eV. What is the photoelectric threshold wavelength for…

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Q: The potassium atom has a work function of 2.3 eV. What is the maximum kinetic energy of the…

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Q: 1. Rank these photons in terms of decreasing energy: (a) IR (v = 6.5 x 1013 s'); (b) microwave (v =…

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Q: A pulsed ruby laser emits light at 694.3 nm. For a 14.0-ps pulse containing 3.00 J of energy, find…

A: Let λ be the wavelength of the light emitted by the laser, Δt be the time interval, E is the energy…

Q: An FM radio station broadcasts at a frequency of 98.1 MHz. The power radiated from the antenna is…

A: The energy E of a photon is given by E = hf where h the Planck's constant f is the frequency

Q: What is the energy of a photon that has the same wavelength as a 12-eV electron? (Ans. 3.5 keV)

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Q: An ultraviolet lamp emits light of wavelength 400 nm at the rate of 400 W. An infrared lamp emits…

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Q: 10-mW laser emits light that has a wavelength of 780 nm. At what rate are photons being emitted from…

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Q: A light source of wavelength A illuminates a metal and ejects photoelectrons with a maximum kinetic…

A: The work function of the surface is,

Q: What is the wavelength of a radio photon from an ”AM” radio station that broadcasts at 1260…

A: Given,Frequency, f = 1260 kHzSpeed of light, c = 3x108 m/s

Q: A laser emits 6.85 x 1018 photons per second in a thin beam with circular cross section having…

A: Power p= energy/ time. Power developmed by 1 photon. Time t = 1 sec P = E/t. P= hC/wavelength *t. P…

Q: What is the wavelength of a photon that has the same momentum as an electron with a speed of 2.69…

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Q: An excited electron drops to its ground state, emitting a photon of frequency f = 5.10×1015 Hz. What…

A: Given data The frequency is f=5.10×1015 Hz   The energy of the photon is, E=hf Here h is Planck's…

Q: An X-ray photon with a wavelength of 0.999 nmnm strikes a surface. The emitted electron has a…

A: Given  Wavelength = 0.999 nm  Kinetic energy of electron = 990eV  1 eV = 1.602*10-19 J  So energy of…

Q: A laser emits 2.13 x 1016 photons per second, each of which has wavelength 625 nm. Find (a) the…

A: Given data λ=625 nm

Q: In what part of the EM spectrum would a photon of energy 4.9 ✕ 10−11 J be found? radio wave…

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Q: Red Light 2 = 700 nm E = 1.8 eV Green Light 1 = 550 nm E = 2.3 eV Blue Light 1 = 400 nm E = 3.1 eV…

A: Work function = 2 ev red light = 700 nm Green light = 550 nm blue light = 400 nm

Q: An AM radio station broadcasts an electromagnetic wave with a frequency of 876 kHz, whereas an FM…

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Q: What is the energy (in eV) of the following photons? A 200-nm photon of ultraviolet light?

A: Given data: For a ultraviolet light, Photon's wavelength, λ=200 nm=2×10-7 m          (∵1 nm=10-9 m)…

Q: An electron sitting in the -4eV energy level of this atom is struck with a photon and as a result it…

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Q: Suppose a photon has an energy of 4 electron volts (eV). What is the energy (in eV) of a second…

A: Energy of a photon (E) = 4 eV Let the frequency of photon = f

Q: In what part of the EM spectrum would a photon of energy 1.9 x 10 J be found? O radio wave microwave…

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Q: In what part of the EM spectrum would a photon of energy 6.8 x 10-23 j be found? O radio wave…

A: Given Data Energy of the photon is E=6.8×10-23  J   We will first calculate the wavelength of the…

Q: A particular species of copepod, a small marine crustacean, emits a flash of light consisting of 1.4…

A: Energy of one of these photons: E=hf         [ f=cλ] h is planck's constant = 6.626 ×10-34 Js λ is…

Q: An FM radio transmitter has a power output of 150 kW and operates at a frequency of 99.7 MHz. How…

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Q: An x-ray photon of wavelength 147.0pm is scattered through an angle of 60° by an electron that is…

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Q: Consider a photon of 11.5-nm wavelength light. pγ = 5.76E-26  ve = 63320  KEe = 1.8E-21 What is…

A: h = Planck's constant,         p = momentum of electron,        m = mass of electronv = velocity of…

Q: .A sodium surface is illuminated with light of wavelength of 0.300 micrometer. The work function for…

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Q: How much more energy does a 73 nm photon have than a 7870 nm photon? Does the 73 nm photon move at a…

A: Given:wavelength of first photon, λ1 = 73 nm = 73×10−9 mwavelength of second photon, λ2 = 7870 nm =…

Q: A photon is emitted by an atom when one of the electrons orbiting the atom drops from an energy…

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Q: A hydrogen atom emits a photon that has momentum 6.977 × 10-27 kg·m/s. This photon is emitted…

A: Given: Momentum = 6.977 x 10 27 kg .m/s                   h = 6.626 × 10-34 J·s,

Q: An X-ray photon has a wavelength of 0.01 nm. What is the de Broglie wavelength of an electron that…

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Compton effect

The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.

Recoil Velocity

The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.