Log ind
Physics for IGCSE & O level - Rays And Waves (Section 7 - No. 35)
Which of the following can correct short sight?
Convex lens
Concave lens
A lens that is spherical
None of the above
Forklaring
Short sight is corrected with a concave lens.
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt
