December 22, 2024, 09:04:20 AM
Forum Rules: Read This Before Posting


« previous next »
Pages: [1]   Go Down

Topic: What is the minimum amount of light required to eject electrons from its shell?  (Read 3462 times)

0 Members and 1 Guest are viewing this topic.

wolf_of_benjamin

  • Guest
What is the minimum amount of light required to eject electrons from its shell?
« on: May 10, 2013, 06:37:12 AM »
This speaks about the Photoelectric effect; when light touches an object it reflects back. Please state your answer in 0C.
Logged

Offline Corribus

  • Chemist
  • Sr. Member
  • *
  • Posts: 3551
  • Mole Snacks: +546/-23
  • Gender: Male
  • A lover of spectroscopy and chocolate.
Re: What is the minimum amount of light required to eject electrons from its shell?
« Reply #1 on: May 10, 2013, 09:18:53 AM »
It depends on the element.
Logged
What men are poets who can speak of Jupiter if he were like a man, but if he is an immense spinning sphere of methane and ammonia must be silent?  - Richard P. Feynman

Offline Enthalpy

  • Chemist
  • Sr. Member
  • *
  • Posts: 4036
  • Mole Snacks: +304/-59
Re: What is the minimum amount of light required to eject electrons from its shell?
« Reply #2 on: May 14, 2013, 06:52:20 AM »
If you're lucky, the minimum amount is one photon, which is little.
But there is a minimum frequency.
Logged

Offline isha2ubt

  • New Member
  • **
  • Posts: 3
  • Mole Snacks: +0/-0
Re: What is the minimum amount of light required to eject electrons from its shell?
« Reply #3 on: May 29, 2013, 08:45:45 AM »
It depends highly on the element from which elctron is ejected.If it is a bigger atom like potassium then ejection would be easier i.e lesser amount of photons required !
Logged

Offline Enthalpy

  • Chemist
  • Sr. Member
  • *
  • Posts: 4036
  • Mole Snacks: +304/-59
Re: What is the minimum amount of light required to eject electrons from its shell?
« Reply #4 on: May 30, 2013, 08:55:09 PM »
No.
Logged

Offline Corribus

  • Chemist
  • Sr. Member
  • *
  • Posts: 3551
  • Mole Snacks: +546/-23
  • Gender: Male
  • A lover of spectroscopy and chocolate.
Re: What is the minimum amount of light required to eject electrons from its shell?
« Reply #5 on: May 30, 2013, 10:38:06 PM »
@isha2ubt

You are confusing amount of energy required with amount of photons required.  Photons have different amounts of energy depending on their frequency of oscillation.
Logged
What men are poets who can speak of Jupiter if he were like a man, but if he is an immense spinning sphere of methane and ammonia must be silent?  - Richard P. Feynman
Pages: [1]   Go Up
« previous next »
Sponsored Links