Question

A metal has a work function 2.78eV. Photons of a certain wavelength incident on this metal...

A metal has a work function 2.78eV. Photons of a certain wavelength incident on this metal produce electrons with a maximum kinetic energy 2.33eV. Determine the wavelength of the incident photons (in nm).

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
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...
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?
a) In a particular photoelectric effect experiment, photons with an energy of 5.10 eV are incident...
a) In a particular photoelectric effect experiment, photons with an energy of 5.10 eV are incident on a metal surface, producing photoelectrons with a maximum kinetic energy of 3.20 eV. Calculate the work function of the metal. _______ eV b) In a particular photoelectric effect experiment, photons with an energy of 5.10 eV are incident on a metal surface, producing photoelectrons with a maximum kinetic energy of 3.20 eV. The photon energy is then adjusted to 6.40 eV. Calculate the...
Photons with a wavelength of 440 nm illuminate a metal surface. There is also a uniform...
Photons with a wavelength of 440 nm illuminate a metal surface. There is also a uniform magnetic field of 25 ?T in the region. Thus, electrons ejected from the metal are bent into circular arcs with radii ranging from essentially zero up to a maximum radius of 12 cm. a) What is the maximum kinetic energy of electrons ejected from the metal (in eV)? b) What is the work function of the metal (in eV)? c) What wavelength of light...
Photons with a wavelength of 440 nm illuminate a metal surface. There is also a uniform...
Photons with a wavelength of 440 nm illuminate a metal surface. There is also a uniform magnetic field of 25 ?T in the region. Thus, electrons ejected from the metal are bent into circular arcs with radii ranging from essentially zero up to a maximum radius of 24 cm. a) What is the maximum kinetic energy of electrons ejected from the metal (in eV)? b) What is the work function of the metal (in eV)? c) What wavelength of light...
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...
The work function for copper is 4.5 eV. (a) Find the threshold frequency and wavelength for...
The work function for copper is 4.5 eV. (a) Find the threshold frequency and wavelength for the photoelectric effect to occur when monochromatic electromagnetic radiation is incident on the surface of a sample of copper. Hz nm (b) Find the maximum kinetic energy of the electrons if the wavelength of the incident light is 190 nm. eV (c) Find the maximum kinetic energy of the electrons if the wavelength of the incident light is 240 nm. eV
The work function for gold is 5.01 eV. (a) Find the threshold frequency and wavelength for...
The work function for gold is 5.01 eV. (a) Find the threshold frequency and wavelength for the photoelectric effect to occur when monochromatic electromagnetic radiation is incident on the surface of a sample of gold. In Hz and nm (b) Find the maximum kinetic energy of the electrons if the wavelength of the incident light is 160 nm.in eV ( c) Find the maximum kinetic energy of the electrons if the wavelength of the incident light is 220 nm. In...
A certain metal has a work function of 2.6 eV. (a) What is the shortest wavelength...
A certain metal has a work function of 2.6 eV. (a) What is the shortest wavelength of the electromagnetic radiation that will eject electrons from this material? (b) If light of wavelength 420 nm is used, what will be the speed of the emitted electrons?
A certain metal has a photoelectric work function value of 318.0 KJ/mol e^-. The metal is...
A certain metal has a photoelectric work function value of 318.0 KJ/mol e^-. The metal is irritated with light having a wavelength of 345.0 nm. What is the maximum possible velocity of electrons ejected from the surface
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT