When photons of wavelength 600 nm are shone onto a particular metal surface the highest energy electrons emitted have an energy of 0.4 eV. What will be the maximum energy of electrons emitted when photons of wavelength 400 nm are shone onto the same metal surface?
The energy of 600 nm photon is
Converting to eV
The emitted electron has an energy of 0.4 eV. So, the work function of the given metal surface is
Now the energy of 400 nm photons is
Converting to eV
Now the maximum energy of the emitted electron is
So, the answer to this question is 1.436 eV.
When photons of wavelength 600 nm are shone onto a particular metal surface the highest energy...
When ultraviolet light with a wavelength of 280 nm is incident on a particular metal surface, electrons are emitted via the photoelectric effect. The maximum kinetic energy of these electrons is 1.44 eV. (a) What is the work function of the metal? eV (b) What is the threshold frequency for this particular metal? Hz
When light with wavelength 740 nm shines on a particular sheet of metal, it ejects electrons that have a maximum kinetic energy of 0.4 eV . What is the maximum kinetic energy of ejected electrons if we shine light with wavelength 500 nm on the sheet of metal instead? ______ eV
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When light with wavelength 740 nm shines on a particular sheet of metal, it ejects electrons that have a maximum kinetic energy of 0.4 eV . What is the maximum kinetic energy of ejected electrons if we shine light with wavelength 380 nm on the sheet of metal instead?
When UV light of wavelength 245 nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.40 eV . Part A What is the work function of the metal?
A metal surface is illuminated by light with a wavelength of 350 nm . The maximum kinetic energy of the emitted electrons is found to be 1.90 eV . What is the maximum electron kinetic energy if the same metal is illuminated by light with a wavelength of 250 nm ?
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