The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for incident radiation of wavelength 330 nm?

Q: When light of wavelength 250nm is incident on a metal surface, the maximum speed of the…

A: Given:  incident wavelength = 250 nm = 250 x 10-9 m  maximum speed, v = 4 x 105 m/s

Q: The work function for indium is 4.12 eV. (d) If light of energy 7.14 eV is incident on indium, what…

A: Photoelectric effect is the phenomenon of emission of electrons from metals under the influence of…

Q: Ultraviolet light of wavelength 4.00 x 10-8 m shines on a metal surface, releasing photoelectrons…

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Q: The Photoelectric threshold wavelength A. Calculate its of certain material is 3000 A work function.

A: To find-Work function (W)=?Given-λ0=3000 A0=3000×10-10 mC=3×108 m/s

Q: The cutoff wavelength for the photoelectric effect in a certain metal is 254 nm. What is the work…

A: The cutoff wavelength is the minimum wavelength required by a photon to cause a photoelectron…

Q: Q. 12: Photoelectric emission takes place (a). (b) (c) (d) when incident wavelength is greater than…

A: To find-Condition for photoelectric emissionGiven-When a metal surface is exposed to light,…

Q: The cut-off wavelength for the photoelectric effect in a certain metal is 220 nm. If the wavelength…

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Q: certain metal has a work function 2.28 eV. What is the longest wavelength of light (in nm) that can…

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Q: In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of…

A: Cut-off voltage is minimum negative potential applied to the plate or anode for which photoelectric…

Q: A 2.50 W beam of light of wavelength 124 nm falls on a metal surface. You observe that the maximum…

A: Given data, Power of beam light, P=2.5 W. Wavelength, λ=124 nm. Maximum kinetic energy ejected,…

Q: The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light of frequency 8.2 × 1014 Hz is…

A: Given:  Threshold frequency, fo = 3.3 × 1014 Hz Incident frequency, f = 8.2 × 1014 Hz

Q: Molybdenum has a work function of 4.20 eV. Find the cutoff wavelength for the photoelectric effect.

A: Certain metals release electrons from their surface when light falls on them. This process is called…

Q: The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for…

A: Given:  Work function, W = 4.2 eV  wavelength = 330 nm

Q: If the photoelectric work function of a calculate the threshold metal is 5 eV, wavelength for the…

A: To find-Threshold wavelength (λ0)=?Given-W=5 eVW=5×1.6×10-19 J

Q: Aluminum metal has a threshold to wavelength frequency corresponding A 4770 Å. Calculate the…

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Q: (a) The energy needed to extract an electron from sodium is 2.3 eV. Would sodium exhibit a…

A: A) energy needed to extract an electron from sodium = 2.3 eV wavelength of incident orange light =…

Q: A photon strikes a metal with a work function of o and produces a photoelectron with a de Broglie…

A: According to law of conservation of energy, the energy can neither be created nor be destroyed, it…

Q: The threshold frequency for a certain metal is 3.3 x 1014 Hz. If the light of frequency 8.2 x 1014…

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Q: A/ The work function of a certain metal is = 4.15 eV. Determine the minimum frequency of light for…

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Q: Aluminum metal has a threshold frequency corresponding to wavelength 4770 A. Calculate the…

A: To find-Work function in eV (W)=?Given-λ0=4770 A0=4.77×10-7 mh=6.63×10-34 J-s

Q: Find the threshold wavelengths for photoelectric effect from a copper surface, a sodium surface and…

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Q: A metal having a work function of 3.5 eV is illuminated with white light that has a continuous…

A: Given:  Work function = 3.5 eV Continuous wavelength band = 350 nm to 535 nm