Question

In going from a rarer to denser medium, the ray of light bends _____________.

Answer 1

in going from a rare medium to denser medium , the ray of light bends $\bf{towards}$ the normal .

actually, if a beam of light goes from rare medium to denser medium, speed of it decreases due to this light bends toward the normal. it means, incidence angle is greater than refracted angle.
a rough diagram is shown in figure.