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When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 105 m/s.
What is the work function, in eV, of the metal?
A metal has a work function of 4.80 eV. Will ultraviolet radiation with a wave length of 385 nm be able to eject a photoelectron from the metal?
A radioactive substance has a half life of 1 min. If one nuclei decays now , when will be next decay????
define hyperbola please
What is the path of the magnetic field at a point due east of a straight wire carrying a current due north?
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