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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A physicist wishes to eject electrons by shining light on a metal surface. The light source emits light of wavelength of 450nm . The table litsts the only available and their work fucntions. MetalBariumLithiumtantalumTungsten−−−−W0(eV)2.52.34.24.5 which metal(s) can be used to produce electrons by photoelectric effect from given source of light?

A physicist wishes to eject electrons by shining light on a metal surface. The light source emits light of wavelength of 450nm . The table litsts the only available and their work fucntions. MetalBariumLithiumtantalumTungsten−−−−W0(eV)2.52.34.24.5 which metal(s) can be used to produce electrons by photoelectric effect from given source of light?

potassium sodium and lithium. The plots are parallel. Correct ranking of the targets according to their work function greatest first will be The figure shows different graphs between stopping potential (V0) and frequency (v) for photosensitive surface of cesium