1) A metal has threshold frequency 10^15. Calculate the maximum kinetic energy of the ejected electron if a laser beam with wavelength 1.5 10^-7 m is projected on the metal. Photoelectric

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1) A metal has threshold frequency 10^15. Calculate the maximum kinetic energy of the
ejected
electron if a laser beam with wavelength 1.5 10^-7 m is projected on the metal.
Photoelectric
2) A photon with wavelength 3000 nm hits a stationary electron. After the collision electron
is
scattered to 60 degrees. Find the wavelength and frequency of the scattered photon.
Campton's
3) A proton is moving with 10^8 m/s speed. Find the De Broglie wavelength associated with
the
proton and the frequency of that wave.
Transcribed Image Text:1) A metal has threshold frequency 10^15. Calculate the maximum kinetic energy of the ejected electron if a laser beam with wavelength 1.5 10^-7 m is projected on the metal. Photoelectric 2) A photon with wavelength 3000 nm hits a stationary electron. After the collision electron is scattered to 60 degrees. Find the wavelength and frequency of the scattered photon. Campton's 3) A proton is moving with 10^8 m/s speed. Find the De Broglie wavelength associated with the proton and the frequency of that wave.
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