Log ind
Physics for IGCSE & O level - Rays And Waves (Section 6 - No. 16)
What type of lens is required for long-sightedness?
Convex lens
Concave lens
Bifocal lens
Cylinder lens
Forklaring
Convex lenses are used for long-sightedness.
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt