: The longest wavelength of incident light that can eject photoelectrons from platinum is 1980 A. If the light of wavelength O 1900 A is incident on platinum. Find the maximum K.E. of emitted photoelectrons and corresponding stopping potential.

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: A metal surface has a photoelectric cutoff wavelength of 410.5 nm. What will be the stopping…

A: In terms of maximum kinetic energy, the photoelectric equation is as follows:  Kmax=hc1λ1-1λ2 Here,…

Q: The work function for aluminum is 4.08 eV. Ultraviolet light of wavelengt 156 nm is incident on the…

A: Given data:The work function, ϕ=4.08 eV.Wavelength of light,  λ=156 nm

Q: What is the maximum kinetic energy (in eV) of the photoelectrons when light of wavelength 260.0 nm…

A:

Q: (iii) Electromagnetic radiation of wavelength 580 nm is incident on an uncharged surface of a metal…

A: given          wavelength =580nm        electrode potential V0=0.3V      mass of electron…

Q: What is the maximum wavelength of light that will cause photoelectrons to be emitted from sodium?…

A: Given, Work Function, W=2.28eV = 2.28×1.6×10-19J=3.648×10-19JSpeed of light,c=3×108m/sPlanck's…

Q: When radiation of frequency 8 x 10¹4 Hz is incident on a metal, the maximum K.E. of the…

A: First we find the work function  of the metal from initial  information  then after we will find the…

Q: UV radiation has a wavelength of 130 nm and falls on gold metal, to which electrons are bound by…

A:

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 wavelength corresponding to the threshold frequency for a certain metal is 5000 A. Calculate the…

A: We need to compute- Maximum Kinetic energy of photoelectron=? The data given as- Threshold…

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: 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: When monochromatic light of an unknown wavelength falls on a sample of silver, a minimum potential…

A: Given: The minimum potential of electrons is V=2.85 V. The work function for silver is W=4.73 eV.…

Q: The scattered photon has an energy of 120 keV and the scattered electron has a kinetic energy of 40…

A:

Q: 7. Ultraviolet light of wavelength 4.00 x 10 m irradiates a certain material, releasing…

A:

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. 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: 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: In a historical experiment to determine Planck's constant, a metal surface was irradiated with light…

A:

Q: The photoelectric cut off voltage in a certain photoelectric experiment is 1.5V. What is the max.…

A:

Q: 400 nm light beam falls on a Ce photocathode, whose extraction work is 1.8 eV. Calculate: a)…

A:

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: What is the kinetic energy of photoelectron (in terms of keV) ejected from K-shell of a lead (EB-82x…

A: From Einstein photoelectric equation :We can say thet :Kinetic energy of photoelectron= Energy of…

Q: 2. A massive particle moves at non-relativistic speeds. The kinetic energy of this particle is equal…

A:

Q: n a photoelectric experiment, a metal with aφ=1.5 eV is used as a target. When a lamp operatingat…

A:

Q: The work function for zinc is 4.31 eV. (a) Find the cutoff wavelength for zinc. nm (b) What is the…

A: We are given work function of the zinc metal. This is the same as threshold energy required. The…

Q: In photoelectric effect experiment, the slope of the slopping potential versus on frequency gives…

A:

Q: wo light sources are used in a photoelectric experiment, to determine the workfunction for a…

A:

Q: Ultraviolet light of wavelength 99 nm falls on a metal plate of work function 1.0 eV. Find the…

A:

Q: The work function for copper is 4.70 eV. (a) Find the cutoff wavelength for copper. nm (b) What is…

A: Given data:  Work function (W0) = 4.70 eV Incident Energy of photon (E) = 5.74 eV Required: The…

Q: What is the work function for the metal (in eV), if the maximum wavelength of light to produce…

A:

Q: Barium has a work function of 2.48 eV. Calculate the maximum speed of the ejected photoelectrons…

A: