a) We can see the picture of our face in a plane mirror but not on a sheet of paper because the image created on a plane mirror is known as regular reflection, but the image formed on a sheet of paper is known as diffused reflection.
b) The pictures generated on the plane mirror are always lateral and virtual, and they can’t be seen on a screen since they’re backwards.
c) A, H, I, M, O, P, Q, R, S, T, V, W, X, Y,