Among the following photosensitive substances, the one which emits electrons when it is illuminated by visible light is

Question

Among the following photosensitive substances, the one which emits electrons when it is illuminated by visible light is (A) magnesium (B) zinc (C) sodium (D) cadmium

Tardigrade Admin · Accepted Answer

Alkali metals have the least work function

Q. Among the following photosensitive substances, the one which emits electrons when it is illuminated by visible light is

magnesium

zinc

sodium

cadmium

platinum

Alkali metals have the least work function