What kind of lens is it that has a power of +10 Diopters and a ...

[Metfan725]

What kind of lens is it that has a power of +10 Diopters and a first surface center of curvature in front of the lens?
 
  A) double convex
  B) double concave
  C) converging meniscus
  D) plano concave
  E) plano convex

Question 2

A person gazes at a very distant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will see
 
  A) a series of bright spots.
  B) the same thing as without the fingers, but dimmer.
  C) a hazy band of light varying from red at one side to blue or violet at the other.
  D) a sequence of closely spaced bright lines.

[isabelt_18]

Answer to Question 1

C

Answer to Question 2

D

[Metfan725]

TY

[isabelt_18]

You're welcome