Question

The maximum wavelength that an electromagnetic wave can have and still eject electrons from a metal...

The maximum wavelength that an electromagnetic wave can have and still eject electrons from a metal surface is 519 nm. What is the work function W0 of this metal? Express your answer in electron volts.

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
The maximum wavelength for which an electromagnetic wave can eject electrons from a platinum surface is...
The maximum wavelength for which an electromagnetic wave can eject electrons from a platinum surface is 196 nm. When radiation with a wavelength of 141 nm shines on the surface, what is the maximum speed of the ejected electrons? Please include a diagram if you can!
Find the wavelength (in nm) of a photon whose energy is 6.70 × 10-19 J. The...
Find the wavelength (in nm) of a photon whose energy is 6.70 × 10-19 J. The maximum wavelength that an electromagnetic wave can have and still eject electrons from a metal surface is 507 nm. What is the work function W0 of this metal? Express your answer in electron volts. In the Compton effect, an X-ray photon of wavelength 0.16 nm is incident on a stationary electron. Upon collision with the electron, the scattered X-ray photon continues to travel in...
1)A magnesium surface has a work function of 2.65 eV. Electromagnetic waves with a wavelength of...
1)A magnesium surface has a work function of 2.65 eV. Electromagnetic waves with a wavelength of 280 nm strike the surface and eject electrons. Find the maximum kinetic energy of the ejected electrons. Express your answer in electron volts. Ans in  eV 2)What is the energy of each of the two photons produced in an electron-positron annihilation? Use the following Joules-to-electron-Volts conversion 1eV = 1.602 × 10-19 J. The rest mass of an electron is 9.11×10^-31 kg. Ans in MeV
The minimum frequency of light needed to eject electrons from a metal is called the threshold...
The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency, ν0. Find the minimum energy needed to eject electrons from a metal with a threshold frequency of 3.35 × 1014 s–1. With what maximum kinetic energy will electrons be ejected when this metal is exposed to light with a wavelength of λ = 265 nm?
The minimum frequency of light needed to eject electrons from a metal is called the threshold...
The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency, ν0. Find the minimum energy needed to eject electrons from a metal with a threshold frequency of 2.05 × 1014 s–1. With what maximum kinetic energy will electrons be ejected when this metal is exposed to light with a wavelength of λ = 265 nm?
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?
What is the binding energy of a substance where the longest wavelength that can eject electrons...
What is the binding energy of a substance where the longest wavelength that can eject electrons from it is 400 nm? If you hit this same substance with light that was 200nm, what would be the speed of an ejected electron?
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.
light of 380 nm wavelength is directed at a metal electrode. to determine the energy of...
light of 380 nm wavelength is directed at a metal electrode. to determine the energy of electrons ejected, an opposing electrostatic potential difference is established between it and another electrode, the current of photoelectrons from one to the other is stopped completely when the potential difference is 1.1 V a) determine the work function of the metal b) determine the max wavelength light that can eject electron from this metal.
Light of wavelength 342 nm shines on a metal surface and the stopping potential V0 in...
Light of wavelength 342 nm shines on a metal surface and the stopping potential V0 in a photoelectric experiment is observed to be 0.850 V. a) What is the work function φ of the metal? (eV) b) What is the maximum kinetic energy of the ejected electrons (in Joules)? c) What is the longest wavelength light that will still allow electrons to escape the metal?(nm)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT