Questions LLC
Login
or
Sign Up
Ask a New Question
Photoelectric Effect
Page 2
Questions (119)
What is the velocity of an electron ejected, if any, from a piece of metal whose work function is 2.227 x 10^-19 J when a photon
1 answer
asked by
Emily
370 views
explain why on photon-electros are emitted when red light is shone on the metal cathode
1 answer
asked by
euvin
338 views
The photoelectric effect occurs only when the incident light has more than a entain minimum
1 answer
asked by
Tammie Mitchell
446 views
The photo-electric effect has many practical applications.A photocell, used in burglar system such application.The work function
1 answer
asked by
Tamara
471 views
1) In 1905 Einstein interpreted the “photoelectric effect” of light, a phenomenon that cannot be explained by the wave
2 answers
asked by
Sara
494 views
Light of wavelength 272 nm shines on a piece of magnesium metal. What is the speed of the ejected electron? (Light energy
3 answers
asked by
Z
670 views
Light of frequency 1.5 times the threshold frequency is incident on photo-sensitive material.If the frequency is halved &
2 answers
asked by
hriday
966 views
I need help on this homework problem and I do not understand how to work on it. Please help me with this problem.
The
4 answers
asked by
Mai
963 views
Light is shone on a metal and photoelectrons are emitted.
Can you tell me the three things from the list below which might cause
3 answers
asked by
trigger
714 views
(1) In 1905 Einstein interpreted the “photoelectric effect” of light, a phenomenon that cannot be explained by the wave
2 answers
asked by
rose- Ms. sue
591 views
hi
can you please help me with this particular question? thanks a lot ___________________________________ The work function of a
2 answers
asked by
duda
543 views
The work function of cesium surface is 2.0eV
(a)find the maximum kinetic energy of the ejected electrons when the surface is
1 answer
asked by
Sola
558 views
In the photoelectric effect, what happens to the stopping voltage when the light frequency is decreased?
3 answers
asked by
John
1,496 views
a) If the work function for a certain metal is 1.8 eV, What is the stopping potential for electrons ejected from the metal when
3 answers
asked by
Vanda
1,383 views
The work function for potassium and cesium are 2.25 and 2.14 eV, respectively.
a) Will the photoelectric effect occur for either
3 answers
asked by
Vanda
1,192 views
A metal surface is struck with light of wavelength 430 nm releasing a stream of electrons. If the 430 nm light is replaced by
2 answers
asked by
Alphonse
1,155 views
According to the experiments concerned with photoelectric effect, what would inrease the kinetic energy of electron ejected from
2 answers
asked by
olexandra
950 views
A photoelectric experiment is performed by separately shining a laser of 450 nm
(blue light) and 560 nm (yellow light) on a metal
2 answers
asked by
Nora
877 views
The work function for potassium is 2.24eV.
If potassium metal is illuminated with light of wavelength 310 nm, find the maximum
4 answers
asked by
Emily
913 views
When light of wavelength 130 nm falls on a cobalt surface, electrons having a maximum kinetic energy of 4.55 eV are emitted.
2 answers
asked by
Theresa
868 views
The threshold frequency of sodium is 5.51 × 1014 s^−1. Calculate the kinetic energy of the electrons ejected when the surface
2 answers
asked by
Sam
841 views
In the photoelectric effect, suppose that the intensity of the light is increased, while the frequency is kept constant. The
2 answers
asked by
Mary
1,349 views
A metal with a work function of 2.40 eV is illuminated by a beam of monochromatic light. If the stopping potential is 2.5V, what
2 answers
asked by
Jake
781 views
If a metal with a threhold frequency of 1.1 x 10^15 Hz is illuminated by light with a wavelength of 170 nm, then the maximum
3 answers
asked by
Marium
787 views
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570nm .
A)What is
1 answer
asked by
Allen
785 views
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570nm .
A)What is
1 answer
asked by
Allen
771 views
The binding energy of an electron to a metal surface is 184 kJ/mol. What is the threshold wavelength (in nm) for the onset of
3 answers
asked by
Erika
763 views
For a rectangular metal surface with dimensions 5 cm by 3 cm, the threshold wavelength for the photoelectric emission of
2 answers
asked by
Kid
757 views
The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with
2 answers
asked by
Piper
762 views
Find velocity of electron emitted by metal whose threshold frequency is 2.1*10^14 and when exposed to visible light wavelength
3 answers
asked by
liz
760 views
The photoelectric effect is a concern in space, where parts of a spacecraft exposed to the sunlight will develop a net positive
4 answers
asked by
Kara
700 views
What is the maximum kinetic energy of an ejected electron if silver metal is irradiated with 228-nm light? The threshold
1 answer
asked by
Anonymous
693 views
Light with a frequency of 4.32 × 1015 Hz strikes a metal surface and ejects electrons that have a maximum kinetic energy of 5.8
2 answers
asked by
John
672 views
The work function for a certain metal is 3.00 eV. Calculate the speed of the electrons in m/s ejected by light of wavelength 209
2 answers
asked by
Austin
662 views
A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is
1 answer
asked by
Tyler
681 views
A potassium metal has a work function F = 4.41 x 10-19 J. Calculate the velocity of electrons emitted by exposing the metal to
2 answers
asked by
Kevin
662 views
The greater the work function for a metal,
A) the greater the speed of the ejected electron B) the smaller the speed of the
2 answers
asked by
danielle
666 views
A metallic surface emits photo electrons when green light falls on it. But the metal does not emit when yellow light falls on
2 answers
asked by
lili
671 views
A photoelectric experiment is performed by separately shining a laser of 450 nm
(blue light) and 560 nm (yellow light) on a metal
1 answer
asked by
Nora
642 views
What is the threshold frequency for the photoelectric effect on lithium (phi= 2.93eV)? What is the stopping potential if the
2 answers
asked by
Paul
634 views
A point source of light produces photoelectrons from a photo cell with certain velocity. Which of the following is correct for
2 answers
asked by
ashley --- HELP PLEASEE!!!
603 views
Electrons are ejected from a surface with speeds ranging up to 6.0 x 10^5 m/s when light with a wavelength of 400 nm shines on
1 answer
asked by
Nathaniel
613 views
Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the speed of an ejected electron
3 answers
asked by
Anonymous
597 views
A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is
3 answers
asked by
Tyler
588 views
What is the maximum kinetic energy of an ejected electron if silver metal is irradiated with 228-nm light? The threshold
2 answers
asked by
Anonymous
558 views
I have a metal sheet of indium, and when a uv light with a wavelength of 265 nm is shone on it the surface ejects electrons that
2 answers
asked by
Alyssa
558 views
Light is shone on a metal and photoelectrons are emitted.
Can you tell me the three things from the listbelow which might cause
3 answers
asked by
centya
571 views
What is the threshold frequency for the photoelectric effect on lithium (phi= 2.93eV)? What is the stopping potential if the
2 answers
asked by
Paul
543 views
What is the maximum kinetic energy of an ejected electron if silver metal is irradiated with 228-nm light? The threshold
2 answers
asked by
Anonymous
533 views
When a metal was exposed to light at a frequency of 3.86× 1015 s–1, electrons were emitted with a kinetic energy of 3.60×
2 answers
asked by
durr
545 views
Pages
1
2
3
Parent Categories (13)
Atomic Physics
Electromagnetic Radiation
Electromagnetic Waves
Electromagnetism
Electrostatics
Light
Light and Optics
Optics
Optics/Electromagnetism
Photons
Physics
Quantum Mechanics
Quantum Physics