A photosensitive metallic surface has work function 6 If photon of energy 30 fall on this surface the electron comes out with a

Question

A photosensitive metallic surface has work function 6 If photon of energy 30 fall on this surface the electron comes out with a maximum velocity of 6x 106 ms When the photon energy is increased 1 T to ap then max velaity of photo eultro one 6X106 mis 84 X ta t HO

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