A Ti-Saphire laser delivers a 14 ps pulse of 5 MW average power. If the photons have a wavelength of 550 nm, how many are contained in the pulse? State your answer as a multiple of 10^12 to the nearest thousandth of a unit.

Q: What is the wavelength, in nm, of a 1.73-eV photon? Normal format with 4 SF. Hint: 1 eV=1.60×…

A: Given: The energy of the photon is, E=1.73 eV. Standard values: The Planck's constant is,…

Q: Fluorescence microscopy, discussed in Section 29.8, is an important tool in modern cell biology. A…

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Q: A solid metal sphere emits 1.42 ✕ 1020 photons every second with a radiating power of 2.53 W.…

A: power radiated = enrgy radiated per second = 2.53 J /sec  photons released per second  = 1.42 × 1020…

Q: X-rays of wavelength 11.25pm are scattered from a block of carbon. What are the wavelengths of…

A: Given, Wavelength of X- ray λ=11.25 pm Crompton wavelength of electron λc=2.43 pm   We know the…

Q: The work function (W), of a metal X, equals 3 x 10-¹⁹ J. Calculate light of wavelength equals W. the…

A: The work function of a metal is the minimum energy to eject an electron. It is given for metal…

Q: When radiation of frequency 8 x 10^14 Hz is incident to Calcium which has 4.3x10^-19 J work…

A: Given that Incidence frequency f = 8 X 1014 Hz Work function w = 4.3 X 10-19 J

Q: Pulsed dye lasers emit light of wavelength 585 nm in 0.45 ms pulses to remove skin blemishes such as…

A: (a) Energy of each photon E=hcλ=6.626×10-34 J·s3×108 m585 nm1 nm10-9 m=3.40×10-19 J1 eV1.6×10-19…

Q: What is the momentum of a 0.0055 -nm wavelength photon that could detect details of an atom? -120…

A: Momentum P = 12.05 × 10-23 kg.m/s

Q: I have a physocs question as follows : Photons of wavelength 140 nm are incident on a metal. The…

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Q: light beam of wavelength 460 nm and intensity 180 W/m^2 shines on a target of area 1.69 m^2 for a…

A: We have givenThe wavelength is 460 nmintensity is 180 W/m2Area is1.69 m2duration is 4.25 sWe have to…

Q: A fluorescent dye absorbs a photon of light of 485 nm and emits a photon of light at 540 nm. How…

A: Given thatλ1=485 nmλ2=540 nmas E=hcλh is planck constantc is speed of lightE is associated energy

Q: A 633 nm helium-neon laser puts out 4.00 W of power with a beam 5.70 mm in diameter. The beam is…

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Q: The quantum efficiency (n) and responsivity (R) at a wavelength 2 (in um) in a p-i-n photodetector…

A: The relation between the quantum efficiencyη and responsivity(R) at a wavelengthλ (in μm) in a p-i-n…

Q: Confirm the statement in the text that the range of photon energies for visible light is 1.63 to…

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Q: An ultrafast laser produces pulses of 75 fs duration at a rate of 2.3 kHz and a total average power…

A: Given: The pulse width is τ=75 fs=75×10-15 s. The rate of the laser pulse fr=2.3 kHz. The total…

Q: a) If the power output of a 640 kHz radio station is 54.0 kw, how many photons per second are…

A: a) The Radio station broadcasts at 54 kW=54000J/s.     The frequency of the signal  is…

Q: How many photons are emitted during a 2.50-second burst of light from a 445 nm laser that operates…

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Q: Using the average speed of a gas, (8RT/piMW)^1/2 determine the average de Broglie wavelength for an…

A: a)average speed = 8RTπMat t = 25 C  = 298 K v = 8*8.314*298π* 0.004v = 1255.9 m/s Therefore, de…

Q: What is the diffraction limited resolution of 10 nm X-ray photons?

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Q: Calculate the energy carried by a 482 nm photon.

A: Photons are packets of energy. They are massless particles that can behave both as a wave and a…

Q: The average threshold of dark-adapted (scotopic) vision is 4.00 x 10-11 W/m? at a central wavelength…

A: Photons are particles of light. Each photon will have a discreet amount of energy given by, E=hcλ…

Q: 3. (a) If light is generated by 2 sources with wavelengths equal to 350 nm and 900 nm, will either…

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Q: An electron was ejected from the surface of cesium metal with a speed of 6.74*10^5 m/s.Given that…

A: Given data :-  speed of ejected electron v =6.74 × 105  ms threshold energy (work function of the…

Q: a)A solid metal sphere emits 1.42 ✕ 1020 photons every second with a radiating power of 2.53 W.…

A: Given: The number of photons every second is 1.42x1020. The radiating power is 2.53 W.   Required:…

Q: The threshold of dark-adapted (scotopic) vision is 4.5 ✕ 10−11 W/m2 at a central wavelength of 500…

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Q: Calculate the wavelength of a 3.58 eV photon in units of nm.

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Q: An electron is fired at a metal target, reaching a speed of 1.00 x 106 m/s. On impact, it rapidly…

A: We have to find Energy and wavelength of photon