a laser produces a short pulse of light whose energy equals 0.20 J. The wavelength of the light is 694 nm. a) How many photons are produces? b) Determine the total momentum of the emitted light pulse

Q: (a) Find the momentum (in kg · m/s) of a 79.5 keV x-ray photon. |kg · m/s (b) Find the equivalent…

A: Momentum, P= E/c ; c is the speed of photon  where kinetic energy, E= 79.5 KeV= 79.5 *  1.6 * 10-19…

Q: A radiation detector exposed to light from a source gives an output of 0.71 J cm¯² min¯¹ as…

A: Write the expression for the power density of photon. Here, H represents the power density, φ…

Q: 7. An electron, traveling at a speed of 6.00 x 106 m/s, strikes the target of an X-ray tube. Upon…

A: We apply conservation of momentum before and after electron strikes the target mev1=mev2+px-ray now…

Q: shining light on a metal surface. The light source emits A physicist wishes to produce electrons…

A:

Q: A light beam of wavelength 596 hm and intensity 251 W/m^2 shines on a target of area 2.47 m^2 for a…

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Q: Sunlight reaching the Earth’s atmosphere has an intensity ofabout 1300 W/m2 Estimate how many…

A:

Q: A light beam of wavelength 431 nm and intensity 159 W/m^2 shines on a target of area 2.86 m^2 for a…

A: Given data:  Wavelength (λ) = 431 nm Intensity (I) = 159 W/m2 Area (A) = 2.86 m2 Time (t) = 2.12 s…

Q: A Blu-ray disc player uses a X 405mm, P = 5.00mW laser and can read one bit of data in At = 18. 5ns.…

A: Solution:Given:c = speed of light = 3.00 x 108 m/sh = Planck's constant = 6.63 x 10-34 J.sλ =…

Q: A 0.836-nm photon collides with a stationary electron. After the collision, the electron moves…

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Q: a) Calculate the number of photoelectrons per second ejected from a 0.75-mm² area of sodium metal by…

A: a) The required number of photo-electrons is, n=PE   =IAhcλ    =IAλhc…

Q: A 4.60 pm x-ray is incident on a stationary electron. The scattered photon has its path altered…

A:

Q: An X-ray photon is scattered at an angle of ) = 180.0° from an electron that is initially at rest.…

A:

Q: The work function of sodium is 2.3 eV a) What must be the maximum wavelength of light to remove…

A:

Q: 1. A light source of wavelength λ illuminates a metal and ejects photoelectrons with a maximum…

A: We use the photoelectric equation,  KEmax=hcλ-ϕλ=wavelength of incident photonsϕ=work…

Q: 1. A light source of wavelength, (2), illuminates a metal and ejects photoelectrons with a maximum…

A: Given, The kinetic energy, KE1=1eV The kinetic energy of the second light source, KE2=6.4eV…

Q: 1. A light beam of wavelength 485 nm and intensity 149 W/m^2 shines on a target of area 1.78 m^2 for…

A:

Q: A 0.393-nm photon collides with a stationary electron. After the collision, the electron moves…

A:

Q: What is the maximum speed of the ejected photoelectrons?  The work function of platinum is 6.35 eV.

A: Given data: The wavelength of light is: λ = 145 nm The Planck’s constant is: h = 6.626×10-34 J.s The…

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

A:

Q: X-rays with an energy of 306 keV undergo Compton scattering with a target. If the scattered X-rays…

A: Given: Energy of incident x Ray (306k ev) Also scattering angle (123°) The given problem is the…

Q: In a photoelectric experiment, a metal is irradiated with light of energy 3.56 eV. If a braking…

A:

Q: Multiple-Concept Example 3 reviews the concepts necessary to solve this problem. Light is incident…

A: Work function (Φ) = 2.3 eV => Φ = 2.3 × 1.6 × 10-19 J => Φ = 3.68 × 10-19 J Speed of the…

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

A: Given:

Q: (b) What is the cutoff frequency for this surface?

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: 250 keV X-ray photon hits a graphite sheet. found that X-ray photons scattered to an angle of 60…

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Q: In a Compton scattering experiment, the incident X-rays have a wavelength of 0.2690 nm, and the…

A: To determine the scattering angle θ in a Compton scattering experiment, we use the Compton…

Q: A light beam of wavelength 476 nm and intensity 119 W/m^2 shines on a target of area 2.11 m^2 for a…

A: Given value--- wavelength = 476 nm. intensity = 119 W/m2.  Area = 2.11 m2.  time = 2.75 s. We have…

Q: Light strikes a metal surface, causing photoelectric emission. The stopping potential for the…

A:

Q: Light strikes a metal surface, causing photoelectric emission. The stopping potential for the…

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Q: 6. Lead (Pb) O = 4.3 eV Copper (Cu) 0 = 4.7 eV Nickel (Ni) O = 5.2 eV Three different metals are…

A: From the question, it is given that- Work function of Lead: ϕpb=4.3 eVWork function of Copper:…

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: EM Waves Problem 13:   A light sail is a propulsion technique that uses large sails to catch light…

A: Step 1:Step 2: Step 3: Step 4:

Q: A 0.703-nm photon collides with a stationary electron. After the collision, the electron moves…

A:

Q: Dinoflagellates are singlecell creatures that float in the world’s oceans; many types are…

A: Given data Number of photons emitted, n=100000000=108 Time , t=0.1s sec Wavelength of the light…