Question

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.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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...
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.
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?
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)
2a) When a metal surface is illuminated by light of wavelength 310 nm, the measured maximum...
2a) When a metal surface is illuminated by light of wavelength 310 nm, the measured maximum kinetic energy of the emitted electrons is 0.50 eV. Calculate the metal plate’s work function φ in units of eV. b) In the rest frame of an ejected electron from the photoelectric experiment in part a), an incident γ-ray with an energy of 0.25 MeV interacts with the electron. Following the collision, the γ-ray has a final energy of 0.1 MeV. Calculate the angle...
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.
When a piece of metal is irradiated with UV radiation (wavelength = 162 nm), electrons are...
When a piece of metal is irradiated with UV radiation (wavelength = 162 nm), electrons are ejected with a kinetic energy of 3.54x10-19 J. What is the work function of the metal? (KE=hv-phi)
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).
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.

Ask a Question
ADVERTISEMENT