All electrons ejected from a surface by incident light of wavelength 200mm cau be stopped before travelling lm in. the direction of* uniformu electric field of 4NC. The work function of the surface is (3) 4eV ) 626V (c) 2eV (0) 220V

All electrons ejected from a surface by incident light of wavelength 200nm can be stopped before traveling 1m in the direction of a uniform electric field of 4 NC^(-1) . The work function of the surface is

All electrons ejected from a surface by incident light of wavelength 200nm can be stopped before traveling 1m in the direction of a uniform electric field of 4 NC^(-1) . The work function of the surface is

All electrons ejected from a surface by incident light of wavelength "200nm" can be stopped before travelling 1m in the direction of uniform electric field of "4N/C" .Find the work function of the surface in eV

All electrons ejected from a metal surface by the incident light of wavelength 200 nm can be stopped before travelling 1 m in the direction of uniform electric field of 4NC^(-1) . The work function of the metal surface is

All electrons ejected from a metallic surface by incident light of wavelength 400 nm travelled 1 m in the direction of uniform electric field of 2 NC^(-1) and came to rest. The work function of the surface is

The work function of a metal surface is 2.0 eV. Light of wavelength 5000 Å is incident on it:

Energy required to remove an electron from aluminium surface is 4.2 eV . If light of wavelength 2000 Å falls on the surface , the velocity of the fastest electron ejected from the surface will be

In a photoelectric effect experiment , photons of energy 5 eV are incident on metal surface . They liberate electrons which are just stopped by an electrode at a potential of 3.5 V with respect to metal . The work function of the metal surface in eV is :