3 ms·
well it would very much depend on 4 Hz of what. It's really easy to notice flickering white light at 4 Hz but it's alot harder to see something that moves a lon
by ent 16y ago
well it would very much depend on 4 Hz of what. It's really easy to notice flickering white light at 4 Hz but it's alot harder to see something that moves a long distance back an forth at 4 Hz.
- meric 16y agoI can see my cat move her tongue back and forth four times a second just fine.