The more curved the surface of a lens is, the more it refracts the light that passes through it.  Having read the above passage, choose the right answer to the following question (choices are less or more ):   If Mona is building a lens for looking at the stars and she wants to make sure it refracts less light then the one she previously built, will she need to make the surface more or less curved then the one before less or more?
less