#where #h# is Planck's constant, #lambda_text{ incident}# wavelength of incident light, #phi# work function of the metal and #KE_max# the maximum kinetic energy of the ejected electron(s).

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A neutral density filter paced at the center of one of the elements (or on an iris blade) to increase the high end of the F-stop range of the lens.

For photoelectric effect to occur, the energy of the photon must be greater than the work function. #phi=(hc)/lambda_text{ cut-off}

#E# being energy, #nu#, the frequency of radiated energy and #h# is Planck's Constant. We know that speed of light in vacuum #c# is related to its frequency #nu# and wavelength #lambda

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A single photon, whose wavelength is lower than the threshold wavelength for a specific metal, has the required energy to eject one electron thus creating the observed photoelectric effect.

#As the wavelength of the incident light decreases but is lower than the cut-off wavelength, the maximum kinetic energy of the photo electrons increases.

Edmund Optics, Barrington, New Jersey. 11789 ലൈക്കുകൾ · 35547 പേർ ഇതിനെക്കുറിച്ച് സംസാരിക്കുന്നു · 169 പേർ ഇവിടെയുണ്ടായിരുന്നു. For 80 years Edmund...

contrast · contrastcon‧trast2 /kənˈtrɑːst $ -ˈtræst/ ○○○ AWL verb · 1 [intransitive] if two things contrast, the difference between them is very easy to see ...