When a certain photosensitive surface is illuminated with monochromatic light of frequency , the stopping potential for the photo current is −V0/2. When the surface is illuminated by monochromatic light of frequency v/2, the stopping potential is −V0. The threshold frequency for photoelectric emission is:
(a)		(b)	2v
(c)		(d)	none of these

Question ID - 50814 | SaraNextGen Top Answer

When a certain photosensitive surface is illuminated with monochromatic light of frequency , the stopping potential for the photo current is −V0/2. When the surface is illuminated by monochromatic light of frequency v/2, the stopping potential is −V0. The threshold frequency for photoelectric emission is:
(a)		(b)	2v
(c)		(d)	none of these