Light of wavelength 488 nm is produced by an argon laser which is used in the photoelectric effect. When light from this spectral line is incident on the emitter, the stopping (cut-off) potential of photoelectrons is 0.38 V. Find the work function of the material from which the emitter is made.

Q: Wavelength of light 650 nm is incident on a metallic surface. If the stopping potential for the…

A: Given : Wavelength of light = 650 nm = 650 *10-9 m Stopping Potential = 0.45 V Known : Speed of…

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: Red light of wavelength 670 nm produces photoelectrons from a certain metal which requires a…

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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

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Q: a) Light of wavelength 500 nm falls on a metal having photoelectric work function 2 eV. (i) Find the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A nonrelativistic particle is moving three times as fast as an electron. The ratio of the de Broglie…

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Q: In the photoelectric effect, does brightness or frequency determine the kinetic energy of the…

A: Given:  Photoelectric effect

Q: A photon with wavelength l = 0.1050 nm is incident on an electron that is initially at rest. If the…

A: As long as we define relativistic energy to include the possibility of mass converting to energy, it…

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: 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: If an electron is accelerated from rest through a potential difference of 100 V, what is its de…

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Q: In a Photoelectric experiment, light with a wavelength of 500 nm is used to shine on a metal with…

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Q: What should be the stopping potential for photoelectrons if the target material used is Platinum and…

A: The photoelectric effect states that Ek = hf − ϕ

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A: A. The total amount of energy in a light wave increases as the light intensity increases. This…

Q: A metal has a work function of 3.1eV and  is  illuminated by light of wavelength λ = 320 nm. What…

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

A: Basic Details The work function is equal to the difference of the energy of photon to the maximum…

Q: In a Compton efect experiment, a photon scattered from an electron at rest increases its wavelength.…

A: Let the wavelength of incident photon = λLet the wavelength of the scattered photn = λ'Let the…

Q: If the threshold wavelength in the photoelectric effect increases when the emitting metal is changed…

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Q: The surface of a metal is illuminated alternately with photons of energies E1 = 4 eV and E2 = 2.5 eV…

A: Given Energy of photon (E1) = 4eV Energy of photon (E2) = 2.5eV

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A: By the conservation of energy, the maximum kinetic energy is. The maximum kinetic energy is,

Q: When the photoelectric effect experiments were performed, one effect was inconsistent with classical…

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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: In a photoelectric effect experiment you illuminate a metal with light of wavelength 240 nm and…

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Q: When light of wavelength 244nm illuminates an aluminum surface, a stopping potential of 1.0V is…

A: Given that: λ=244 nm=244 ×10-9 mv0=1 Vq=1.6×10-19 Ch=6.63×10-34c=3×108 m/svw=?

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Q: nd Planck’s

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Q: |In a photoelectric effect experiment, the frequency of photons bombarding the surface is increased…

A: Given,  Threshold frequency (vth)= 6×1014 Hz

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A: Intensity of light increases

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Q: By what factor does the de Broglie wavelength of a particle change if (a) its momentum is doubled or…

A: Step1 - Here we will solve part(a) of the question.             (a). its momentum is doubled…

Q: In a photoelectric experiment, electromagnetic radiation of wavelength 240 nm and intensity 8.2 x 10…

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Q: For photons of energy 8.00 eV, what stopping potential would be required to arrest the current of…

A: The stopping potential is defined as the voltage difference necessary during the photoelectric…

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 max speed, v = 4 x 105 m/s  mass of electron, m…

Q: White light consisting of wavelengths between 380 nm and 750 nm is incident on a lead surface. For…

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Q: A metal having a work function of 2.3 eV is illuminated with white light that has a continuous…

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Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?