![A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is 4.3 xx 10^(14) Hz. The velocity of ejected electron is xx 10^5 ms^(-1). (Nearest integer) A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is 4.3 xx 10^(14) Hz. The velocity of ejected electron is xx 10^5 ms^(-1). (Nearest integer)](https://doubtnut-static.s.llnwi.net/static/web-thumb/645803686_web.png)
A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is 4.3 xx 10^(14) Hz. The velocity of ejected electron is xx 10^5 ms^(-1). (Nearest integer)
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SOLVED: Question In 1905,Albert Einstein studied the photoelectric effect; which is the ability of light to dislodge electrons from a metal surface; causing a current to flow between metal electrodes Ist attempt
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![Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 ∘A . Calculate threshold frequency v0 and work function w0 of the metal. Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 ∘A . Calculate threshold frequency v0 and work function w0 of the metal.](https://i.ytimg.com/vi/bPzX4Qzow2c/maxresdefault.jpg)
Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 ∘A . Calculate threshold frequency v0 and work function w0 of the metal.
![If the speed of photoelectrons is 10^(6) ms^(-1), what should be the frequency of the incident radiation on the potassium metal ? (Work function of potassium = 2.3 eV). If the speed of photoelectrons is 10^(6) ms^(-1), what should be the frequency of the incident radiation on the potassium metal ? (Work function of potassium = 2.3 eV).](https://d10lpgp6xz60nq.cloudfront.net/ss/web/484345.jpg)
If the speed of photoelectrons is 10^(6) ms^(-1), what should be the frequency of the incident radiation on the potassium metal ? (Work function of potassium = 2.3 eV).
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