Flat 50% off
BUY NOWEnds in


Updated Wed, 29 Jan 2020 11:14 am


When electromagnetic radiation of wavelength 300nm strikes a metal surface of sodium electron are emitted with kinetic energy 1.68*100000j mol. What is the minimum energy needed to remove an electron from sodium?what is the maximum wavelength that will cause abphoto electron to be emitted?
Updated Mon, 20 Jan 2020 04:59 pm