Ex. 58: The threshold wavelength for a certain metal is 5000 ACalculate the maximum K.E. of the photoelectrons emitted, when ultra violet radiation of wavelength 2500 A falls on it. (1 eV, h and C are given).
Q: Ex. 58: The threshold wavelength for a certain metal is 5000 ACalculate the maximum K.E. of the…
A: Given-λ0=5000 A0=5×10-7 mλ=2500 A0=2.5×10-7 mTo find-(K.E.)max=?
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A: Stopping potential is defined as the external potential that is required to make the photoelectron…
Q: Ex. 32: The photoelectric work function of silver is 3.3 eV. Calculate the threshold frequency for…
A: To find-THreshold frequency (vv0)=?Given-W0=3.3 eV=3.3×1.6×10-19 Jh=6.63×10-34 Js
Q: Ex. 32: The photoelectric work function of silver is 3.3 eV. Calculate the threshold frequency for…
A: To find-Threshold frequency (v0)=?Given-W0=3.3 eV=3.3×1.6×10-19 Jh=6.63×10-34 Js
Q: Ex. 57: The threshold wavelength for photonmission from silver is 3800 Å. Calculate the maximum…
A: Given-λ0=3800 A0=3.8×10-7 mλ=2600 A0=2.6×10-7 mc=3×108 m/sh=6.63×10-34 Js1 eV=1.6×10-19 J
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Q: Ex 27: The threshold wavelength for silver is O 3800 A. Calculate the photoelectric work function…
A: To find-Work function in eV (W)=?Given-λ0=3800 A0=3.8×10-7 mh=6.63×10-34 Jsc=3×108 m/s1 eV=1.6×10-19…
Q: Light of frequency 1.4 × 1015 Hz illuminates a piece of lithium, and the lithium emits…
A: SOlution: Givent that f = 1.4x1015 Hz KE =3.7 eV
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A: Given: The maximum kinetic energy is 3 eV.
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A: To find-Threshold wavelength (λ0)=?Given-W=3×10-19 J
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Q: Ex. 58: The threshold wavelength for a certain metal is 5000 ACalculate the maximum K.E. of the…
A: Given-λ0=5000 A0=5×10-7 mλ=2500 A0=2.5×10-7 mTo find-(K.E.)max=?
Q: Ex 27: The threshold wavelength for silver is O 3800 A. Calculate the photoelectric work function…
A: To find-Work function in eV (W)=?Given-λ0=3800 A0=3.8×10-7 mh=6.63×10-34 Jsc=3×108 m/s1 eV=1.6×10-19…
Q: Ex. 55: Photoelectric threshold wave-length of à certain metal is 3315 A.U. Then its work function…
A: To find-Work function (W0)=?Given-Threshold wavelength λ0=3315 A0…
Q: O Ex. 28: The current in the photo-electric cell can be just reduced to zero by a potential of 1.8…
A: To find-Work function of cathode (W)=?Given-V0=1.8 vote=1.6×10-19 Cλ=2200 A0λ=2.2×10-7 m
Q: Ex. 55: Photoelectric threshold wave-length of à certain metal is 3315 A.U. Then its work function…
A: The work function is-W0=hv0=hcλ0W0=6.63×10-34×3×1083315×10-10W0=2×3×10-19W0=6×10-19 J
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A: We have k=50 nm-1=50×109 nm-1k=2πλde Broglie wavelength,λ=2π50×109=1.256×10-10mNow,…
Q: Ex. 57: The threshold wavelength for photonmission from silver is 3800 Å. Calculate the maximum…
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Q: Ex. 39 : Calculate the de Broglie wavelength of bullet moving with the speed 90 m/s and having a…
A: To find-De Broglie wavelength (λ)=?Given-Speed bullet (V)=90 m/sMass of bullet (m)=5 gm=5×10-3kg
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Q: The threshold wavelength of silver is 3800 A Calculate the maximum kinetic energy in eV of…
A: We need to compute- Maximum kinetic energy (KE)=? The data given as- λ=2600 A0λ0=3800 A0h=6.63×10-34…
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Q: Ex. 57: The threshold wavelength for photonmission from silver is 3800 A. Calculate the maximum…
A: Given-λ0=3800 A0=3.8×10-7 mλ=2600 A0=2.6×10-7 mc=3×108 m/sh=6.63×10-34 Js1 eV=1.6×10-19 J
Q: Problem 4 (2): When light with a wavelength of 400 nm strikes a certain metal surface, the maximum…
A: From Photoelectric effect Total energy E = Kinetic energy + Work function Work function (ϕ) = E -…
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