All electrons ejected from a surface by incident light of wavelength 200 nm can be stopped before travelling 1 m in the direction of a uniform electric field of 4 N/C. The work function All electrons ejected from a surface by incident light of wavelength 200 nm can be stopped before travelling 1 m in the direction of a uniform electric field of 4 N/C. The work function October 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related