🏷️ LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION →
Log in
Physics
3
answers
0
watching
124
views

The workfunction for platinum is 6.35 eV. Convert the value of the work function from eV to joules.

Watch
3
answers
0
watching
124
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Already have an account? Log in
Share
Sagar Yadav
Sagar YadavLv10
5 Dec 2020
Already have an account? Log in
Share

Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

10) Light of wavelength 400 nm bombards a surface with workfunction 2.46 eV. What is the maximum kinetic energy of thephotoelectrons from this surface ?


ANS: 0.640 eV

The work function for platinum is 6.35eV.
(a.) Convert value of the work function from electron volts tojoules.
(b.) Find the cutoff frequency for platinum.
(c.) What maximum wavelength of light incident on platinum releasesphotoelectrons from the platinum's surface?
(d.) If light of energy 8.50 eV is incident on zinc, what is themaximum kinetic energy of the ejected photoelectrons? Give theanswer in electron volts.
(e.) For photons of energy 8.50 eV, what stopping potential wouldbe required to arrest the current of photoelectrons?

Light strikes a metal surface, causing photoelectric emission. Thestopping potential for the ejected electrons is 5.3 V, and the workfunction of the metal is 3.2 eV. What is the wavelength of theincident light (in terms of nm)?

Weekly leaderboard

Home
Homework Help 3,900,000
Physics 110,000
Start filling in the gaps now
Log in