Sometimes.
Yes, a triangle is always concave. * * * * * How wrong can you get! A triangle is always convex and NEVER concave.
The moon.
The moon.
A convex mirror always forms a virtual image, meaning that the light rays appear to be coming from a point behind the mirror. Thus, a real image is never formed by a convex mirror.
an equation ---------- has a soultion? a)always B)sometimes C)never
sometimes
Sometimes :)
is sometimes
Sometimes they are.
never
Never
Never