In a dark night, you have only one light source in your room. But you have two mirrors, one is concave and another is convex. Which mirror will you use to make the room lighted?

• A.  Concave mirror, because it converges the beam of light.
• B.  Concave mirror, because it diverges the beam of light.
• C.  Convex mirror, because it diverges the beam of light.
• D.  Either concave or convex depends on the position of source.