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(part 1) A virtual image of a beetle is formed 9.0 cm from a spherical mirror...

(part 1) A virtual image of a beetle is formed 9.0 cm from a spherical mirror and the actual beetle stand 5 cm from the mirror. What is the focal length of the mirror and is it convex or concave.

A. 11.3 cm; Concave

B. 3.2 cm; Convex

C. 3.2 cm; Concave

D. 11.3 cm; Convex

(part 2) A converging lens with a focal length of 40 cm is 70 cm away from a baseball. What is the magnification and orientation of the baseball's image.

A. 0.36; Upright

B. 1.3; inverted

C. 1.3; upright

D. 0.36; Inverted

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