Question

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)

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) Within a photoelectric effect experiment, light shines on the surface of a metal plate and...
A) Within a photoelectric effect experiment, light shines on the surface of a metal plate and the stopping voltage is measured. a) If the light intensity is decreased, what happens to the stopping voltage? decreases increases     stays the same not enough information b) If the light intensity is decreased, what happens to the number of electrons emitted? decreases increases     stays the same not enough information c) If the light wavelength is decreased, what happens to the KE of the emitted...
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?
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...
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 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.
A) Light of frequency 9.13 x 10^14 s-1 shines on the surface of a certain metal,...
A) Light of frequency 9.13 x 10^14 s-1 shines on the surface of a certain metal, Metal X. if the ejected electrons have a velocity of 6.13x10^5 m/s, what is the work function (binding energy) of Metal X? B) What is the longest wavelength of light (in nm) that can be used to eject electrons from the surface of Metal X? C) A different metal, Metal Y, has smaller binding energy. If the same frequency of light from Part A...
The stopping potential for electrons emitted from a surface illuminated by light of wavelength 567 nm...
The stopping potential for electrons emitted from a surface illuminated by light of wavelength 567 nm is 0.932 V. When the incident wavelength is changed to a new value, the stopping potential is 2.00 V. (a) What is this new wavelength? (b) What is the work function for the surface
The stopping potential for electrons emitted from a surface illuminated by light of wavelength 500 nm...
The stopping potential for electrons emitted from a surface illuminated by light of wavelength 500 nm is 0.770 V. When the incident wavelength is changed to a new value, the stopping potential is 1.40 V. (a) What is this new wavelength? (b) What is the work function for the surface?
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...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT