1. The mirror shown is _______ in shape.   convex   concave   2. The distance CP is the _______.   focal length   radius of curvature   center of curvature   Hint Half-n-half Clue   3. The point P is the _______.   principal focus   pole   principal axis   Half-n-half Clue   4. The point C is the _______.   center of curvature   pole   principal focus   Half-n-half Clue   5. The point F is the _______.   principal axis   principal focus   pole   Half-n-half Clue   6. The distance FP is the _______.   center of curvature   radius of curvature   focal length   Half-n-half Clue