The stopping potential of a given photoelectric device is depended on (a) intensity (b) frequency (c) velocity of photon (d) work function
Q: The longest wavelength of light that will cause emission of photoelectrons from a certain metal…
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Q: Question in image. Disregard the pen markings plz.
A: Write the expression for stopping potential
Q: An 80 W light source (eg a bulb) consumes predictably 80 W of electrical power. Assume that all of…
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Q: A 100-W bulb emits red light ( = 700 nm) uniformly in all directions. a) How many photons are…
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Q: (d) In a photoelectric experiment using a photocell, the graph of stopping potential Vs against…
A: The threshold frequency is defined as the minimum frequency required so that electron can…
Q: In aphotoelectric effect experiment, light of frequencyl.15×105 Hz strikes a metal surface and…
A: Write a given values of this question. f=1.15×10-15Hz Work function. ϕ=2.3eV=2.3×1.9×10-19V
Q: Calculate the velocity (in m/s) of an electron that has a wavelength of 8.76 µm. m/s (b) Through…
A: given, the wavelength of electron=λ=8.76 um mass of electron=m=9.1x10-31kg According to de Broglie…
Q: The maximum kinetic energy of a photoelectron is 3 eV. What is its stopping potential?
A: Given: The maximum kinetic energy is 3 eV.
Q: Photoelectric work function of a photo- sensitive material is 3 x 10-19 J. Calculate its threshold…
A: To find-Threshold wavelength (λ0)=?Given-W=3×10-19 J
Q: A 90nm radiation falls on a photoelectric surface, and the work function of photoelectrode is 4.3…
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Q: Light of frequency 1.40 x 1015 Hz strikes a surface, causing photoelectrons to leave with a KE of…
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Q: Photoelectric work function of a photo- sensitive material is 3 × 10-¹9 J. Calculate its threshold…
A: Given: Photo electric work function, 3 ×10-19 J To find: Threshold wavelength
Q: If the cutoff wavelength for a particular material is 681 nm considering the photoelectric effect,…
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Q: Radiation with a frequency of 7.52 × 1014 Hz illuminates a photoelectric surface in a photoelectric…
A: Frequency = 7.52 ×10¹⁴Hz Work function = 2.20 eV
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: Question 2) In the photoelectric experiment, green light, with a wavelength of 522 nm, is the…
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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
Q: During an experiment 8.7×10¹4 Hz light shines on a metal plate and the Photoelectric Effect occurs.…
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Q: 400 nm light beam falls on a Ce photocathode, whose extraction work is 1.8 eV. Calculate: a)…
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Q: ne: (masselectron = 9.11 X 10-31 kg) i) The maximum kinetic energy of the photoelectron. ii) The…
A: Given values:- Potential difference,(V)=3 Volt ----(1) Mass of electron,(me)=9.11 x 10-31 kg…
Q: During an experiment 8.8x1014 Hz light shines on a metal plate and the Photoelectric Effect occurs.…
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Q: Light shines on a metal whichh has a work function of 2.0eV and electrons are emitted with…
A: Let the work function of the metal be W, the maximum velocity of the electrons be vmax, and the mass…
Q: The stopping potential for photoelectrons emitted from a surface illuminated by light of…
A: a) Write the equation of the photoelectric effect and apply the first equation.
Q: The maximum wavelength of incident light that releases photoelectrons from the surface of a platinum…
A: Given:- wavelength = 195 nm = 195 * 10-9 m. Formula :- Einstein equation is given as -eVs = hf -…
Q: the cutoff wavelength for a particular material is 510nm considering the photoelectric effect, what…
A: L0=510 nmL=402 nm let kinetic energy be K formula for K=> K=hcL-hcL0
Q: A 625-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of…
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Q: The radius of an a -particle moving in a circle in a constant magnetic field is half of the radius…
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Q: If the cutoff wavelength for a particular material is 710 nm considering the photoelectric effect,…
A: The formula of the photo electric effect is E = W + KE where, E is the incident energy, W is the…
Q: In a photoelectric experiment visible/white light (λ = 400 to 700nm) falls on a metal with work…
A: Note: Out of given multiple parts, we solve first three unless specified. You can resend the…
Q: b) Elaborate why classical physics cannot explain the photoelectric phenomena.
A: The absence of a lag period, the independence of the kinetic energy of photoelectrons from the…
Q: 4) The minimum frequency for the photoelectric effect to occur in a given metal is 5 x 10¹4 Hz. a)…
A: Given: Minimum frequency (fο) = 5 × 1014HzTo find: a) Work function of the metal (W) b)…
Q: d) In a photoelectric experiment using a photocell, the graph of stopping potential Vs against…
A: The threshold frequency is the minimum frequency for which the ejection of the photo electrons takes…
Q: On a photosensitive material, when frequency of incident radiation increased by 30%, kinetic energy…
A: To find-Work function (ϕ)=?Given-(Initial) K.E.=E1=0.4 eV(Final) K.E.=E2=0.9 eV
Q: Wben radiation of a certain wavelength shines on the cathode of a photoelectric cell, . pbotocurrent…
A: A photoelectric cell, also known as a phototube, electron tube, or electric eye, is an electronic…
Q: A given material has a work function of 9.0 eV, answer a) If light is incident with wavelength λ=…
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Q: A photoelectric experiment with cesium yields stopping potentials of 0.95 V and 0.38 V for A = 435.8…
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Q: What do you understand by photoelectric effect? (b.) Explain the meaning of the terms threshold…
A: Photoelectric effect: The phenomenon in which when the light rays or electromagnetic rays falls on…
Q: When a certain metal is illuminated by light, photoelectrons are observed, provided that the…
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Q: A photoelectric experiment has a work function = 6.35 eV. The minimum cutoff frequency is 1.53E15…
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Q: A 630-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.2…
A: here, wavelength of incident light(λ) = 630 nm =630 ×10-9m maximum kinetic energy(KEmax) =0.2ev =…
Q: If the cutoff wavelength for a particular material is 676 nm considering the photoelectric effect,…
A: Given:- cutoff wavelength for a particular material = 676 nm = λ0 = 676×10-9 m…
Q: In aphotoelectric effect experiment, light of frequency 1.15x10-15 Hz strikes a metal surface and…
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