Light with a wavelength of 375 nm illuminates a metal cathode. the maximum kinetic energy of the emitted electrons is 0.86 ev . part a what is the longest wavelength of light that will cause electrons to be emitted from this cathode?

he made 11 calls in one day

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.