Question
1. Light of wavelength 401 nm incident on a certain metal produces photoelectrons with a maximum...
1. Light of wavelength 401 nm incident on a certain metal produces photoelectrons with a maximum kinetic energy of 1.78 eV. What is the maximum wavelength of light capable of producing photoelectrons for this metal?
2. Electrons in an electron microscope have been accelerated through a potential difference of 1250 V. How large is their de Brogile wavelength?
Homework Answers
Answer #1
if you have any doubt please
ask in comment section ?
Not the answer you're looking for?
Similar Questions
a) A photon of wavelength 43 nm is incident upon a metal in a photoelectric apparatus....
a) A photon of wavelength 43 nm is incident upon a metal in a
photoelectric apparatus. A stopping voltage of 21 V was obtained.
What is the threshold frequency of the metal? (format of a.b x
10cdHz)
b) Light with a frequency of 5.00 x 1014 Hz
illuminates a photoelectric surface that has a work function of
2.10 x 10-19 J. What is the maximum kinetic energy of
the emitted photoelectrons? (format of a.bc x 10-de J
)
c) Light...
You illuminate a metal with light of wavelength 590 nm and find that the photoelectrons have...
You illuminate a metal with light of wavelength 590 nm and find
that the photoelectrons have a maximum kinetic energy of 0.70 eV.
You then illuminate the same metal with light of another wavelength
and find a maximum kinetic energy of 1.9 eV for the
photoelectrons.
What is the second wavelength, in nanometers?
When light with a wavelength of 258 nm is incident on a certain metal surface, electrons...
When light with a wavelength of 258 nm is incident on a certain
metal surface, electrons are ejected with a maximum kinetic energy
of 3.02 × 10-19 J. Determine the wavelength (in nm) of
light that should be used to double the maximum kinetic energy of
the electrons ejected from this surface.
When light with a wavelength of 221 nm is incident on a certain metal surface, electrons...
When light with a wavelength of 221 nm is incident on a certain
metal surface, electrons are ejected with a maximum kinetic energy
of 3.28 × 10−19 J. Determine the wavelength (in nm) of
light that should be used to double the maximum kinetic energy of
the electrons ejected from this surface.
Light of wavelength 235 nm is incident on Magnesium in a photoelectric effect experiment. The work...
Light of wavelength 235 nm is incident on Magnesium in a
photoelectric effect experiment. The work function of Magnesium is
3.68 eV.
(a) What is the maximum kinetic energy of the emitted electrons,
in eV?
(b)What is the maximum velocity of the emitted electrons, in
m/s?
(c) What is the stopping potential, in Volts, that results in no
collected photoelectrons?
(d) Light of wavelength 235 nm is now incident on lead (work
function 5.40 eV). What is the maximum kinetic...
When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the...
When ultraviolet light with a wavelength of 400 nm falls on a
certain metal surface, the maximum kinetic energy of the emitted
photoelectrons is 1.10 eV .
What is the maximum kinetic energy K_0 of the photoelectrons
when light of wavelength 340 nm falls on the same surface?
Use h = 6.63×10−34 J⋅s for Planck's constant and c =
3.00×108 m/s for the speed of light and express your
answer in electron volts.
View Available Hint(s)
K_0 =
eV
When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the...
When ultraviolet light with a wavelength of 400 nm falls on a
certain metal surface, the maximum kinetic energy of the emitted
photoelectrons is 1.10 eV .
What is the maximum kinetic energy K0 of the
photoelectrons when light of wavelength 330 nm falls on the same
surface?
Use h =
6.63×10?34J?s for Planck's constant and
c =
3.00×108m/s for the speed of light and
express your answer in electron volts.
When ultraviolet light with a wavelength of 400 nmfalls on a certain metal surface, the maximum...
When ultraviolet light with a wavelength of 400 nmfalls on a
certain metal surface, the maximum kinetic energy of the emitted
photoelectrons is 1.10 eV .
What is the maximum kinetic energy K0 of the
photoelectrons when light of wavelength 350 nm falls on the same
surface?
Use h = 6.63×10?34 J?s for Planck's constant
and c = 3.00×108 m/s for the speed of light and
express your answer in electron volts.
Consider a beam of light with a wavelength λ = 403-nm incident onto a metal surface,...
Consider a beam of light with a wavelength λ = 403-nm incident
onto a metal surface, which can be Li, Be or Hg. The work functions
of these metals are 2.30-eV, 3.90-eV and 4.50-eV respectively. For
the metal that exhibits the photoelectric effect find the maximum
kinetic energy of the photoelectrons.
Photoelectrons are observed when a metal surface is illuminated by light with a wavelength 437 nm....
Photoelectrons are
observed when a metal surface is illuminated by light with a
wavelength 437 nm. The stopping potential for the photoelectrons in
this experiment is 1.67V.
a. What is the work
function of the metal, in eV?
b. What type of metal
is used in this experiment?
c. What is the maximum
speed of the ejected electrons?
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 27 minutes ago
asked 36 minutes ago
asked 38 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago